Addison Wayne Russell (born January 23, 1994) is an American professional baseball shortstop for the Acereros de Monclova of the Mexican League.

[3] The full name on Russell's birth certificate is Geoffreye O'Neal Addison Robert Watts Jr III.

[5] In his final high school baseball season, Russell hit for a .368 batting average and recorded a .532 on base percentage.

[9] Russell was a member of the USA Baseball 18U National Team at the 2011 COPABE 18U/AAA Pan American games that won a gold medal.

[9] During the championship game against Team Canada, Russell hit a grand slam and was named First-Team All Tournament as Shortstop for his efforts.

[10] At the tournament for Team USA, Russell played alongside future professional baseball players Albert Almora, Alex Bregman, David Dahl, Joey Gallo, and Carson Kelly.

[20] On April 21, Russell was called up to the 25-man roster to play second base against the Pittsburgh Pirates at PNC Park.

[21][22] On May 1, Russell hit his first career home run off of Wily Peralta in a 1–0 victory over the Milwaukee Brewers.

[23] He moved to his normal infield position at shortstop in early August, replacing three-time All-Star Starlin Castro.

After the Cubs defeated the Cardinals in the NLDS to advance to the NLCS to face the New York Mets, it was announced that Russell had pulled his hamstring.

[25] Batting .242 with 11 home runs and 48 RBIs, Russell was the starting shortstop at the 2016 Major League Baseball All-Star Game.

[31][32] On October 25, 2016, Addison Russell along with teammates Dexter Fowler, Jason Heyward, and Carl Edwards Jr., became the first African-Americans to play for the Cubs in a World Series game.

On April 19, 2017, Russell hit his first career walk-off home run, a three-run shot against the Milwaukee Brewers.

[38] Russell had a disappointing season (.250 BA, 5 HR, 38 RBI[39]), and he did not play again after September 19 due to MLB placing him on administrative leave as it investigated abuse allegations made against him by his ex-wife.

[40] Russell was suspended for the first 29 games of the season, finishing the 40-game suspension he received in 2018 as a result of allegations, found credible by MLB, that he abused his wife.

The Cubs optioned Russell to AAA on July 24, 2019, to make room for catcher Willson Contreras.

[45] On July 28, 2020, Russell made his debut in KBO in a 6–2 win against the Doosan Bears with two RBIs and a run.

In 2022, Russell played in 80 games for Monclova, hitting .348/.443/.677 with 24 home runs, 74 RBI, and 8 stolen bases.

[52] Russell and Melisa Reidy married in January 2016 in Milton, FL at Sowell Farms; they have a son who was born in August 2015.