Oakland Athletics Deichmann was selected by the
Oakland Athletics in the second round, 43rd overall, of the
2017 Major League Baseball draft. He signed with Oakland and was assigned to the
Low-A Vermont Lake Monsters where he batted .274 with eight home runs and thirty RBIs in 46 games. In 2018, he was assigned to the
High-A Stockton Ports but dealt with various hand injuries and played in only 47 games, hitting .199 with six home runs and 21 RBIs. He spent 2019 with the
Midland RockHounds of the
Double-A Texas League. Over eighty games, he batted .219/.300/.375 with 11 home runs, 36 RBIs, and 19 stolen bases. He was selected to play in the
Arizona Fall League for the
Mesa Solar Sox following the season. Deichmann did not play in a game in 2020 due to the cancellation of the minor league season because of the
COVID-19 pandemic. The Athletics added Deichmann to their
40-man roster after the 2020 season. To begin the 2021 season, he was assigned to the
Las Vegas Aviators of the
Triple-A West. In 60 games with Las Vegas, Deichmann slashed .300/.433/.452 with 4 home runs and 35 RBI.
Chicago Cubs On July 27, 2021, Deichmann was traded to the
Chicago Cubs along with
Daniel Palencia in exchange for
Andrew Chafin. He was assigned to the
Iowa Cubs. On August 6, 2021, Deichmann was recalled to the Cubs to make his big league debut that day. On April 16, 2022, Deichmann was designated for assignment by the Cubs. On April 22, Deichmann was outrighted to Triple-A Iowa. He played in 78 games for the Triple-A
Iowa Cubs, slashing .214/.271/.335 with 7 home runs, 33 RBI, and 8 stolen bases. On August 22, Deichmann was released by the Cubs.
Oakland Athletics (second stint) On February 16, 2023, Deichmann signed a minor league contract with the
Oakland Athletics organization. He played in 108 games split between the Double–A
Midland RockHounds and Triple–A
Las Vegas Aviators, compiling a .245/.324/.467 batting line with 19 home runs, 61 RBI, and 16 stolen bases. Deichmann elected free agency following the season on November 6. ==References==