LeBron James and Bronny James became the first father and son to play in the NBA together Tuesday night during the Los Angeles Lakers ' season opener.

LeBron and Bronny checked into the game together with four minutes left in the second quarter, prompting a big ovation from a home crowd aware of the enormity of the milestone. The 39-year-old LeBron had already started the game and played 13 minutes before he teamed up with his 20-year-old son to make history.

LeBron James is the top scorer in NBA history, while LeBron James Jr. was a second-round pick by the Lakers last summer. They are the first father and son to play in the world's top basketball league at the same time, let alone on the same team.

“Y'all ready? You see the intensity, right? Just play carefree, though,” father told son on the bench before they checked in, an exchange captured by the TNT cameras and microphones. “Don't worry about mistakes. Just go out and play hard.”

LeBron and Bronny played 2 1/2 minutes on court together, and LeBron missed two perimeter shots before making a dunk. Bronny had an early rebound and missed a tip-in.

Bronny's first NBA jump shot was a 3-pointer that came up just short. He checked out with 1:19 left in the second quarter, getting another ovation.

Bronny didn't play again in the Lakers' 110-103 victory over Minnesota. LeBron, who scored 16 points, did an on-court interview with Bronny before they headed to the Lakers' locker room together — but not before stopping in the tunnel to hug Savannah James, LeBron's wife and Bronny's mother.

Ken Griffey Sr. and Ken Griffey Jr. were courtside at the Lakers' downtown arena to witness the same history they made in Major League Baseball. The two sluggers played 51 games together for the Seattle Mariners in 1990 and 1991 as baseball's first father-son duo.

The Jameses and the Griffeys met up during pregame warmups for some photos and a warm chat between two remarkable family lines.

LeBron, a four-time NBA champion and a 20-time All-Star, first spoke about his dream to play alongside Bronny a few years ago, while his oldest son was still in high school. The dream became real after Bronny entered the draft as a teenager following one collegiate season, and the Lakers grabbed him with the 55th overall pick.

“It's been a treat,” LeBron said at Tuesday's morning shootaround. “In preseason, the practices, just every day ... bringing him up to speed of what this professional life is all about, and how to prepare every day as a professional.”

LeBron and Bronny joined a small club of father-son professional athletes who played together. The Griffeys made history 34 years ago, and they even homered in the same game on Sept. 14, 1990.

Baseball Hall of Famer Tim Raines and his namesake son also accomplished the feat with the Baltimore Orioles in 2001.

In hockey, Gordie Howe played alongside his two sons, Mark and Marty, with the WHA's Houston Aeros and Team Canada before one NHL season together on the Hartford Whalers in 1979-80, when Gordie was 51.

While the other family pairings on this list happened late in the fathers' careers, LeBron shows no signs of slowing down or regressing as he begins his NBA record-tying 22nd season.

LeBron averaged more than 25 points per game last year for his 20th consecutive season, and he remains the most important player on the Lakers alongside Anthony Davis as they attempt to recapture the form that won a championship in 2020 and got them to the Western Conference finals in 2023.

Bronny survived cardiac arrest and open heart surgery in the summer of 2023, and he went on to play a truncated freshman season at the University of Southern California. He declared for the draft anyway, and the Lakers eagerly used the fourth-to-last pick in the draft on the 6-foot-2 guard.

LeBron spent the summer in Europe with the gold medal-winning U.S. team at the Paris Olympics, while Bronny played for the Lakers in summer league. They started practicing together with the Lakers before training camp.

The duo first played together in the preseason, logging four minutes during a game against Phoenix just outside Palm Springs earlier this month.

The Lakers were fully aware of the history they would make with this pairing, and coach JJ Redick spoke with the Jameses recently about a plan to make it happen early in the regular season.

The presence of the Griffeys likely made it an inevitability for opening night, even though Redick said the Lakers still wanted it “to happen naturally, in the flow of the game.”

The Lakers have declined to speculate on how long Bronny will stay on their NBA roster. Los Angeles also has point guards D'Angelo Russell, Gabe Vincent and Jalen Hood-Schifino, which likely makes minutes scarce for Bronny, who likely needs regular playing time to raise his game to a consistent NBA standard.

Those factors add up to indicate Bronny is likely to end up with the affiliate South Bay Lakers of the G League at some point soon. LeBron and Redick have both spoken positively about the South Bay team, saying that player development is a key part of the Lakers organization.

Miami forward Kevin Love, who knew all the James children — Bronny, Bryce and Zhuri — from his time as LeBron James' teammate in Cleveland, said it was “an unbelievable moment” to see father and son playing together.