Thank you for joining us for today's Lap-by-Lap. What a race! Suarez walks away as 2016's XFINITY Series champion. We return tomorrow for the Sprint Cup Series main event where Logano, Kyle Busch, Edwards and Johnson vie for the Sprint Cup Series championship.
Sadler finished third, Allgaier sixth and Jones ninth.
A champion is crowned
And Daniel Suarez is the 2016 XFINITY Series champion!
NASCAR is checking the lug nuts on Suarez's Toyota.
Suarez crosses the start/finish line first.
Allgaier and Jones race in seventh and eighth, respectively.
White flag in the air!
It's Suarez with a three-car length lead over Sadler.
Cole Whitt slowed the Jones and Allgaier.
Suarez has cleared Sadler.
Sadler and Suarez battle for first.
Cole Whitt (who did not pit) and Sadler restart 1-2.
And Suarez's team with: "It's all up to you, my man."
Jones being told: "You need the restart of your life, then block like hell."
Race off pit road: 1 19 20 3 7 2 88 42 33 22. Sadler only took two while the rest took four.
Leaders head to pit road. This will be interesting, Jones only has a pair of scuffed tires.
Caution: Ray Black Jr. spins.
10 laps to go!
Jones keeps getting into the wall.
Suarez holds onto the lead by .4 seconds.
The leaders are hitting some lapped traffic.
Jones has caught up to Suarez.
Sadler has worked through some traffic and now sits in 11th.
And Jones is hunting down his JGR teammate.
And now Allgaier brushes the wall again. He has been struggling with this all day. Jones now in second.
Allgaier and Jones are slowly decreasing Suarez's lead, little-by-little.
"Where is he beating me?" Allgaier asks about Jones.
The battle between Allgaier and Jones has allowed Suarez to secure a bigger lead.
Allgaier is able to surge a bit ahead of Jones.
These two are side-by-side for second.
Allgaier back to second with slight contact.
Jones around Allgaier for second.
Tifft wheel his No. 18 to pit road.
Tifft in the wall. We are still green.
Sadler continues to sit outside the top 10 in 14th -- can't seem to work through traffic.
The top three sit within 2 seconds of one another.
Now Jones moves around Austin for third.
Austin Dillon continues to be sandwiched between Chasers Allgaier (second) and Jones (fourth).
After restarting first, Almirola down to 18th.
Suarez has more of a comfortable lead now with 1.2 seconds on Allgaier.
Allgaier sits .7 seconds behind Suarez.
Austin Dillon slides up to third, putting Jones in fourth.
With the sun set, the track is changing a bit.
Jones in third.
Suarez shoots up to the lead with Allgaier trailing him in second.
Almirola and Blaney bring us back to the green flag.
Very slow stop for Sadler. He will now restart 16th. Almirola and Blaney stayed out so they will lead us to green.
Race off pit road: 19 7 20 2 42 88 3 62 33 16. They all took four tires.
The field heads to pit.
These final laps are going to be real good with all Chasers back in contention to win the title.
Yellow: Debris on the backstretch.
Sadler has dropped to seventh.
And now Jones back in first!
Allgaier back in the lead.
New leader: Erik Jones.
Jones is right behind Allgaier in a battle for first.
Allgaier has .5 seconds over Suarez.
Austin Dillon has broken up the Championship 4 drivers, sandwiched between Jones (third) and Sadler (fifth).
Allgaier, Suarez and Jones all within .3 seconds of one another.
Allgaier takes the lead.
Austin Dillon, Darrell Wallace Jr. and Ty Dillon racing fifth through seventh.
Sadler tries to get around Allgaier for second but he's unable to make the pass.
It's Suarez, Allgaier, Sadler and Jones.
Jones back down to fourth. Sadler and Allgaier are battling for second.
Jones surges to third with some fresh tires.
Suarez in first, Allgaier in second, Sadler in third and Jones in fourth.
All Chasers are now in the top five.
Suarez back up to first.
Almirola (who did not pit) and Suarez restart on the front row with Ty Dillon and Allgaier right behind them in third and fourth, respectively.
All Chasers are on the fuel window.
Suarez being told to save fuel.
Race off pit road: 19 3 7. Fuel only for Allgaier and Suarez.
We are back to yellow and the leaders pit.
All four Chasers will restart in the top 10. Suarez leads, Allgaier in second, Sadler P4 and Jones sitting in ninth.
The field is being stopped as we are now under red-flag conditions.
The No. 51 of Clements involved too.
The No. 46 of Jordan Anderson involved and smoking on the track.
Yellow: Reed with a tire down.
Jones working his way through the field and now ninth.
Three of the four championship contenders race within 1.2 seconds of one another. This title is truly up for grabs.
Jones up two spots in 13th.
Sadler has worked his way up to fourth after restarting eighth.
It's a battle for both the win and championship between Suarez and Allgaier.
Suarez leads with Allgaier pushing his way to second.
We are three-wide!
No. 20 team radio: "It's now or never. Make it happen."
Suarez and Ty Dillon bring us to another green as the sun begins to set in Miami.
Some non-Chasers could mix up the Chase field a bit. Ty Dillon, Bowyer and Almirola all in contention to win.
"Think we’re good to go here," Jones' team tells him after repairing his Toyota. He will restart 15th.
That pit stop was vital for Sadler. He moved up four spots and will restart eighth. He was running outside the top 10 prior to the yellow.
Allgaier being told they're about 15 laps short on fuel to make it to end.
Jones with an extra-long pit stop as his team tries to work on his struggling No. 20.
Race off pit road: 19 3 7 88 98 16 2 1 62 39. All took four tires. Sadler up four spots.
Here we go. Leaders head to pit road.
"I got to quit that," Allgaier tells his team after he scrapes the wall again. He was close to passing Suarez before hitting the wall.
Caution: Poole in the No. 48 with a right-front tire down.
That allowed Almirola to get around him for third.
Allgaier makes contact with the wall again.
Allgaier right on Suarez's back bumper. These two are duking it out for the championship.
Jones and Sadler still struggling outside the top 10.
Gase is out of today's race after engine issues -- a fire erupted underneath is hood while he was pitting.
If Dillon won today's race, he would break his 79-race winless streak.
"Go get that one ahead of you, he's struggling, hit your marks," the No. 7 team is telling Allgaier.
Dillon leads by over a second.
Allgaier now up to third -- right behind Suarez.
Suarez trails Dillon by about four-car lengths.
New leader: Ty Dillon.
The No. 24 is back in the race.
Dillon closing in on Suarez.
Things aren't looking too promising from Jones or Sadler. Both have fallen out of the top 10. Jones is in 11th and Sadler in 14th.
Top five as they run: Suarez, Ty Dillon, Almirola, Allgaier and Austin Dillon.
Almirola has taken third with Allgaier down to fourth.
Jones continues to be very unhappy with his car. Being told to "settle in and focus. Calm down. That's not going to help."
Suarez widening the gap between himself and Dillon. Almost up to a 1-second lead.
Allgaier is trying to get around Dillon for second.
Best friends Darrell Wallace Jr. and Ryan Blaney racing together in 15th and 16th, respectively.
Suarez the new leader.
Halfway! The championship is anyones at this point.
Suarez trails Dillon in second by just .2 seconds.
Allgaier around Larson for third.
Dillon is our new leader with Larson dropping to second.
Larson holds onto the lead with Dillon, Suarez and Allgaier right on his rear.
Larson holds onto the lead with Dillon, Suarez and Allgaier right on his rear.
Larson and Ty Dillon battle it out on the front row, taking the field back to green.
Bowman in sixth: "It's way worse than it was in practice, I don't think you can do anything to help it."
Joey Gase struggling on pit road, appears to have engine issues.
Pit road now closed. The No. 24 goes to the garage.
All four of the title contenders stay off pit road.
None of our leaders pit, but Ryan Blaney -- who was running P11 at the time -- is the highest driver on the board to pit.
It seems unlikely that many will head there, but pit road is open.
NASCAR posting the No. 24 of LaJoie.
Now under yellow, that loose tire is being removed from pit road.
Ryan Sieg is the lucky dog.
Caution: Fluid on the track.
Jones continues to be unhappy with his Toyota: "It's all over the place. It's tight, loose, tight, loose. We haven't done anything for the back."
Here's where the Chase contenders are running: Suarez (fourth), Allgaier (sixth), Jones (ninth) and Sadler (11th).
And now he does. Ty Dillon in second with brother Austin behind him in third.
Corey LaJoie the only car yet to pit.
Green-flag pit stops have cycled through. Larson our new leader.
That tire is still on pit road. No yellow yet.
Allgaier the last Chaser to pit.
Suarez pits. There is a loose tire on pit road, but no yellow yet.
Sadler with a trackbar adjustment following complaints of his No. 1 being tight.
Sadler on pit road too.
Jones is the first Chaser to pit.
Larson begins the green-flag pit stops. He has damage to his right-side following contact with the wall.
Ty Dillon threatening to take second from Allgaier.
Allgaier is decreasing the gap between himself and Suarez.
Thus far, Allgaier, Ty Dillon and Larson have had incidents with the wall.
Jones and Sadler continue to struggle in eighth and 10th, respectively. They're going to need some adjustments if they want to contend for this championship.
Allgaier continues to complain that his Chevy is tight.
Allgaier bounced back nicely to second after his contact with the wall.
Which has us thinking green-flag pit stops should be happening shortly. The leaders haven't pitted since the caution came out on Lap 23.
Allgaier team says it will have to pull on the body panels during next pit stop because of damage from scraping the wall.
And now Allgaier back up to third. Ty Dillon up to second and Larson down to fourth.
Now Ty Dillon around Allgaier for third.
This gives Suarez a 1.5-second cushion.
Allgaier makes slight contact with the wall, allowing Larson to take second.
25 cars sit on the lead lap as Suarez continues to set a blistering pace.
Suarez refuses to give up his lead but Allgaier won't quit in his pursuit for the lead.
Larson could continue to play a factor today. He is the defending race victor and is so good here as he likes to ride the high line.
Allgaier is making a statement here today. He sits .2 seconds behind Suarez.
Allgaier unable to complete the pass. Suarez remains our leader.
Battle for the lead!
Larson brushes the wall. We are still green.
Suarez is working his way through lapped traffic, again.
Sadler, who is the lowest Chaser on the board: "Too free back in the gas, extremely tight center."
"Still tight center, loose off. Entry good both ends," reports Allgaier.
The 2016 XFINITY Series championship will be won by either a Joe Gibbs Racing wheelman or a JR Motorsports team. Suarez and Jones make up the JGR cars while Sadler and Allgaier compete for JRM.
All four Chasers are racing inside the top 10.
Allgaier inching towards Suarez, who has been a rocket all day.
Jones' teammate Tifft threatens to take seventh from him.
Jones has failed to pickup any positions since the restart, as reported by NBCSN.
Suarez and Allgaier are making their way through some lapped traffic.
Allgaier sits about .6 seconds behind Suarez.
Jones' frustration continues: "No lateral (grip) on exit."
Top five as they run: Suarez, Allgaier, Larson, Bowman and Ty Dillon.
Jones: "I can't do anything now to catch the 3." Is team is assuring him that he has a "long way to go."
NASCAR is posting the No. 40 of Timmy Hill.
After struggling in ninth, Sadler has started to bounce back as he now sits in ninth.
Suarez's crew chief Scott Graves won last year's XFINITY Series title with Chris Buescher.
Suarez continues to race in first with Allgaier right behind him in second. Jones sits in sixth and Sadler in 10th.
Bowman around Larson.
Sadler has dropped to 11th.
Allgaier looks to pass Larson for second. Bowman just behind Allgaier in fourth.
Suarez clears Larson for first.
Suarez and Allgaier are side-by-side for second.
Here's where the Chasers are running: Allgaier (second), Suarez (fourth), Sadler (fifth) and Jones (seventh).
After an intense battle, Larson manages to hold onto first with Allgaier just behind him.
Larson and Allgaier are side-by-side for first.
Larson and Allgaier lead the field to the green flag. All Championship 4 drivers restart in the top 10.
NASCAR continues to clean up oil on the track. We remain yellow.
Race off pit road: 42 7 88 19 1 3 20 22 18 22. All took four tires. Allgaier and Bowman move up a spot while Suarez drops two.
Leaders head to pit road for the first time for fuel, tires and adjustments.
Reed spins in the grass after hitting the wall in Turn 2. Larson was the leader at the time. He is now on pit road.
Caution: Ryan Reed in Turn 2.
Tifft continues to climb towards the top of the board. He is currently sixth.
New leader: Larson.
Austin Dillon (P12) complaining his Chevy is tight. Told to make sure his fans are on.
Sadler has now dropped to fifth with Bowman going around his teammate for fourth.
Jones in eighth: "We're just bad right now, no grip."
Allgaier (P3) sits more than 2 seconds behind Larson (P2).
Larson has slightly decreased Suarez's lead.
Top five as they run: Suarez, Larson, Allgaier, Sadler and Bowman.
Allgaier has moved around Sadler for third.
If Suarez wins the XFINITY Series championship it would make him the first Latin American NASCAR driver to win a national series title.
Sadler and Allgaier continue to race together in a pack as they hunt down the speedy Suarez.
Dillon and Jones side-by-side for seventh.
Allgaier around Blaney for fourth.
Larson is now second with Sadler in third. Blaney dropped two spots to fourth.
Suarez keeps increasing the gap between himself and the field.
Tifft, in the No. 18 JGR Toyota, is already up to 11th. He started 39th and currently the highest mover -- as reported by NBCSN.
Suarez has 1.2 seconds over Blaney. Larson completes the top three.
Seems like Jones had trouble during both restarts as he started on the inside line and Miami is a track best run right against the wall.
Here's how the Chasers are currently running: Suarez (first), Sadler (fourth), Allgaier (fifth) and Jones (eighth).
Sadler and Allgaier are battling for position.
We are three-wide at the restart.
Suarez maintains his lead with another strong restart.
And we're back to green! Suarez and Blaney restart 1-2.
The No. 51 of Jeremy Clements too fast on pit road.
Caution: No. 13 of Brandon Hightower spins in Turn 2.
Erik Jones down in seventh. Justin Allgaier up to fourth.
Daniel Suarez leads at Miami.
Green Flag -- Ford EcoBoost 300 (200 laps, 300 miles).
"Drivers, Start Your Engines" by: Johnathon Hillstrand.
Flyby TOT: 2-F-18's from VFC-111 Sun Downers, NAS Key West.
National Anthem by: VIKINA.
Invocation by: Pastor Sammy Flores, Christ Fellowship.
Intro Presentation of Colors: The U.S Southern Command Joint Color Guard.
Pledge of Allegiance by: SDNL Grand Prize Winner.
God Bless America by: SFC Mari Koontz.
Last year's race
Kyle Larson is the defending race winner. Today, he will start seventh. It was this event last year when Chris Buescher was crowned the 2015 XFINITY Series champion.
Sprint Cup regular Ryan Blaney and Austin Dillon complete the starting top five in fourth and fifth, respectively.
Fellow Championship 4 drivers Elliott Sadler and Erik Jones will start with Suarez in second and third, respectively. Justin Allgaier will start sixth.
Daniel Suarez earned his third Coors Light Pole Award of the season and will lead the field to the green flag.
Welcome to today's Lap-by-Lap. Today we are at Homestead-Miami Speedway for the XFINITY Series grand finale. We have Erik Jones, Daniel Suarez, Justin Allgaier and Elliott Sadler vying for the 2016 XFINITY Series championship.