Brad Keselowski through the years

Brad Keselowski, center, his wife Paige and daughter Scarlett, and his Team Penske crew prepare to kiss the bricks at Indianapolis Motor Speedway after winning the 2018 Brickyard 400.

In a tradition started by Team Penske IndyCar and sports car driver Helio Castroneves, Team Penske driver Brad Keselowski climbs the fence at Indianapolis Motor Speedway after winning the 2018 Brickyard 400.

Brad Keselowski flies the checkered and American flags on the start-finish line at Indianapolis Motor Speedway after winning the 2018 Brickyard 400.

Brad Keselowski celebrates with his No. 2 Team Penske crew after winning the 2018 Bojangles' Southern 500 at Darlington Raceway.

Brad Keselowski qualified for the third round of the playoffs Oct. 15, 2017, with his fifth win at Talladega Superspeedway.

Brad Keselowski (2) leads Ryan Newman (31) and Joey Logano (22) through Turn 4 en route to his fifth win at Talladega Superspeedway, on Oct. 15, 2017.

Brad Keselowski celebrates after winning the 2017 STP 500 at Martinsville Speedway, his second victory of the season.

Brad Keselowski fist-bumps his daughter on victory lane after winning the 2017 Folds of Honor QuikTrip 500 at Atlanta Motor Speedway.

Brad Keselowski celebrates after winning the 2016 Quaker State 400 presented by Advance Auto Parts at Kentucky Speedway, his fourth and final victory of the season.

Keselowski pops the bubbly after winning the Coke Zero 400 on July 2, 2016, his long-awaited first career win at Daytona International Speedway.

Keselowski celebrates with a burnout after winning the GEICO 500 on May 1, 2016, his fourth career victory at Talladega Superspeedway.

Brad Keselowski won the 2016 Kobalt 400 at Las Vegas Motor Speedway.

Keselowski has some fun with his trophy after winning the pole at Kansas Speedway on Oct. 16, 2015.

Keselowski gets lost in confetti after winning at Auto Club Speedway in Fontana on March 22, 2015, his lone victory of the season.

In winning the Chase opener at Chicagoland Speedway, Brad Keselowski became the first driver to advance in the new Chase for the Sprint Cup format.

Brad Keselowski led 383 of 400 laps to win at Richmond International Raceway in September 2014.

Keselowski, driver of the #2 Redds Ford, celebrates in victory lane with a lobster after winning the NASCAR Sprint Cup Series Camping World RV Sales 301 at New Hampshire Motor Speedway on July 13, 2014 in Loudon, New Hampshire.

Brad Keselowski during practice for the Crown Royal Brickyard 400 at Indianapolis Motor Speedway.

Keselowski cut his hand on a champagne bottle while celebrating in victory lane after winning the Quaker State 400 at Kentucky Speeedway in June.

Keselowski shows off his bandage from cutting his hand on a champagne bottle while celebrating in victory lane after winning the Quaker State 400 at Kentucky Speeedway in June.

Brad Keselowski listens as President Barack Obama speaks during a ceremony on the South Lawn of the White House on April 16. Obama honored Keselowski for winning the 2012 Sprint Cup championship.

With Brad Keselowski's Blue Deuce in the background, President Barack Obama shakes hands with the reigning Sprint Cup champion on the driveway of the White House on April 16.

Brad Keselowski, getting a hug from Miss Sprint Cup on March 1, 2013, began the 2013 season finishing fourth at the Daytona 500 and the following week in Phoenix and followed those races up with a third-place finish at Las Vegas.

Former Pistons basketball player Rick Mahorn presents Brad Keselowski with an honorary checkered flag during halftime of Detroit's game against the Milwaukee Bucks at The Palace of Auburn Hills on Jan. 29, 2013.

Brad Keselowski won his first career Sprint Cup championship, Nov. 18, 2012 at Homestead-Miami Speedway. Keselowski won two of the 10 Chase races and five races overall in 2012.

Brad Keselowski finished 15th in the Sprint Cup season finale at Homestead-Miami Speedway, which was more than enough to clinch the title after top 2012 rival Jimmie Johnson experienced mechanical problems with 40 laps left.

Brad Keselowski (2) had a 20-point lead on Jimmie Johnson (48) entering the 2012 Sprint Cup season-finale at at Homestead Miami Speedway.

Brad Keselowski, 28, has been a full-time Sprint Cup driver since 2010. Keselowski finished 25th in the 2010 standings and fifth in the 2011 standings before winning the championship this year.

Owner Roger Penske, left, finally got to add a Sprint Cup championship to his IndyCar haul. Penske's IndyCar teams have won 15 Indianapolis 500s and 12 championships.

Brad Keselowski finished sixth at Phoenix International Raceway on Nov. 11. After Jimmie Johnson hit the wall on lap 235 and finished 32nd, Keselowski was able to open up a 20-point lead in the Chase heading into the season finale at Homestead.

Texas Motor Speedway set up ballot boxes for the top two drivers in the Chase standings -- Brad Keselowski and Jimmie Johnson -- in the week leading up to the AAA Texas 500 on Nov. 4.

Brad Keselowski, right, and Jimmie Johnson, battled for the lead right to the end at Texas Motor Speedway, before Johnson pulled away on the final lap to win the AAA Texas 500 on Nov. 4. Keselowski finished second.

The Dodge driver notched his second Chase win at Dover, on Sept. 30, using a fuel strategy that saw him outduel the Hendrick Motorsports cars of Jeff Gordon and Jimmie Johnson.

Brad Keselowski began the march to his first Sprint Cup title with a win in the Chase's first stop, at Chicagoland Speedway, on Sept. 16.

Brad Keselowski celebrates with team owner Roger Penske (right, in red hat) and his crew after winning at Chicagoland Speedway on Sept. 16 to kick off the 10-race Chase for the Sprint Cup.

The 1.5-mile Kentucky Speedway yielded Keselowski's third win, in June.

His second Cup win came at Talladega Superspeedway in May. He held off Kyle Busch at the restrictor-plate track.

Brad Keselowski's first Cup win of the 2012 season came at Bristol Motor Speedway in March.

Brad Keselowski tweeted a photo of a jet dryer that caught fire during the Daytona 500 from the track and gained instant social media credibility with NASCAR fans.

Crew chief Paul Wolfe runs a detail-oriented program for the No. 2 Dodge, and Brad Keselowski often outperforms other drivers based on efficient pit stops.

After winning three races, Brad Keselowski qualified for his first Chase for the Sprint Cup in 2011. Though, he didn't win any of the Chase races, he still finished a career-best fifth in series points.

Brad Keselowski works with Rebecca Rice, a physical therapist at Pit Instruction and Training in Mooresville, N.C., to rehab his left ankle. Keselowski broke his ankle during a test run at Atlanta Motor Speedway on Aug. 3, 2011.

Brad Keselowski scored his third Sprint Cup win of the season and the fourth of his career at the Irwin Tools Bristol Night Race at Bristol Motor Speedway on Aug. 27, 2011.

Brad Keselowski relaxes before the 2011 Good Sam RV Insurance 500 at Pocono Raceway on Aug. 5. Hours later, Keselowski would win his second Sprint Cup race of the season and the third of his career.

Brad Keselowski does a burnout after winning the STP 400 at Kansas Speedway on June 5, 2011. It was Keselowski's second career Sprint Cup win and the first since 2009 at Talladega.

After a third-place finish in the Nationwide finale at Texas Motor Speedway, Brad Keselowski earned his first Nationwide Series championship on NOv. 6, 2010. Keselowski won 10 Nationwide races in 2010 and was voted the series' most popular driver for the third consecutive year.

"Brad's the real deal," said team owner Roger Penske, who has 15 Indianapolis 500 victories but celebrated his first NASCAR crown when Keselowski won the 2010 Nationwide title. "He's the ultimate team player."

A NASCAR official hands Brad Keselowski an American flag after Keselowski won the Nationwide Series Dollar General 300 at Charlotte Motor Speedway on Oct. 15, 2010. It marked Keselowski's fifth Nationwide win of the year.

Brad Keselowski was known for his aggressive style and immature streak when he entered the Cup Series full-time in 2010. "You need to be aggressive to win, but there are circumstances I've learned it's really not that helpful to be aggressive," he says now.

Brad Keselowski (12) flips after being clipped by Carl Edwards, top, during the NASCAR Sprint Cup Series Kobalt Tools 500, March 7, 2010, at Atlanta Motor Speedway. Edwards had waited 153 laps for his crew to fix his car for the sole purpose of wrecking Keselowski.

Brad Keselowski won four Nationwide races in 2009 including here at the Kroger 'On Track For Cure' 250 at Memphis Motorsports Park on Oct. 24, 2009. Keselowski also won at Dover, Iowa and Michigan.

Brad Keselowski, shown here before practice for the 2009 Nationwide race in Montreal, signed with Penske Racing on Sept. 1, 2009, to drive in both the Sprint Cup and Nationwide Series the following season.

Brad Keselowski, right, is congratulated in victory lane by Dale Earnhardt Jr. after Keselowski won his first career Sprint Cup race at the Aaron's 499 at Talladega Superspeedway on April 26, 2009.

Brad Keselowski, front, pulls away for his first career Sprint Cup win after tangling with Carl Edwards on the last lap of the Aaron's 499. Edwards (99) crashed into Ryan Newman, left, and went airborne into the catch fence at Talladega Superspeedway on April 26, 2009.

Brad Keselowski scored his first career Nationwide Series win at the Federated Auto Parts 300 in Gladeville, Tenn., on June 7, 2008.