Lux attended Indian Trail High School and Academy in Kenosha, Wisconsin. He batted.560 for the school in his senior season. He was one of the top 50 high school prospects heading into the 2016 MLB draft. He won the 2016 Wisconsin baseball Gatorade Player of the Year awards and Holy Rosary Sports Night Male Athlete of the Year Award in high school. He had committed to Arizona State University. The Los Angeles Dodgers selected Lux in the first round, with the 20th pick overall selection, of the 2016 Major League Baseball draft. Lux signed with the Dodgers for a $2.31 million signing bonus. The Dodgers assigned him to the Arizona League Dodgers to begin his professional career. At the end of the season he was promoted to the Ogden Raptors of the Pioneer Baseball League. Between the two levels, he played in 56 games, batting.296/.375/.399 with 21 RBIs. Lux got a late start on the 2017 season as he dealt with a rib issue in spring training. but he was assigned to the Class-A Great Lakes Loons of the Midwest League on April 19. He played in 101 games for the Loons, hitting.244/.331/.362 with seven home runs, 39 RBIs, and 27 stolen bases. He was promoted to the Rancho Cucamonga Quakes of the California League for the 2018 season and was selected to the mid-season all-star game. He was promoted to the Tulsa Drillers of the Texas League in August. He was named to the post-season all-star team with Rancho Cucamonga. and was also named the Dodgers Minor LeaguePlayer of the year. In 116 games between Rancho Cucamonga and Tulsa, he slashed.324/.399/.514 with 15 home runs and 57 RBIs. Lux began 2019 with the Tulsa Drillers. He was selected to the mid-season Texas League All-Star Game and also the All-Star Futures Game. He was promoted to the AAA Oklahoma City Dodgers on June 27. He batted.347/421/.607 with 99 runs, 61 walks, 8 triples, 26 homers, and 76 RBIs in 113 combined games in the minors. Lux was selected as Baseball America's Minor League Player of the Year and also named by the Dodgers as their minor league player of the year for the second straight season. Lux was called up by the Dodgers to make his major league debut as the starting second baseman against the Colorado Rockies on September 2, 2019. He singled on the first pitch he saw from Peter Lambert and doubled in his second at-bat. He also scored three runs in the game. On September 10, 2019, Lux hit his first MLB home run offTanner Scott of the Baltimore Orioles. In 23 games for the Dodgers in 2019, he had 18 hits in 75 at-bats, hit two home runs and drove in nine runs. On October 3, in his first at-bat in his postseason debut, Lux hit a pinch-hit solo home run off of Hunter Strickland of the Washington Nationals. At 21 years and 314 days old, Lux became the youngest player all-time to hit a pinch-hit home run in the postseason. He was also the youngest Dodger to hit a home run in a postseason game, a record previously held by Cody Bellinger, who homered at the age of 22 years and 88 days during the 2017 NLDS against the Arizona Diamondbacks.
