[4] He was named first team all-district selection in 2013 and was a Perfect Game Honorable Mention for high school in 2013 and 2014.

[8] On June 7, 2018, Clemens was named a finalist for the Golden Spikes Award and the Dick Howser Trophy.

[9] The Detroit Tigers selected Clemens in the third round, with the 79th overall pick, in the 2018 Major League Baseball draft.

[1] He received a $600,000 signing bonus[10] and made his professional debut with the West Michigan Whitecaps of the Single–A Midwest League.

[14] Clemens spent the 2021 season with the Triple-A Toledo Mud Hens, slashing .247/.312/.466 with 18 home runs and 59 RBIs in 97 games.

[16] On June 13, Clemens recorded his first major league hit, a single off of Lance Lynn of the Chicago White Sox.

[18] On June 25, Clemens hit his first major league home run, a three-run, go-ahead shot off of Joe Mantiply of the Arizona Diamondbacks, helping the Tigers win the game by a 6 to 3 score.

[23] On January 7, 2023, the Tigers traded Clemens and pitcher Gregory Soto to the Philadelphia Phillies for outfielder Matt Vierling, infielder Nick Maton, and catcher Donny Sands.

[29] On May 18, Clemens hit a game-tying homerun with 2 outs in the bottom of the 9th inning with the Phillies down 3-2 vs. the Washington Nationals.