The
Cincinnati Reds selected Stewart with the 32nd overall selection of the
2022 Major League Baseball draft. He signed with the team for $2.1 million. Stewart made his professional debut with the rookie-level
Arizona Complex League Reds with whom he batted .295 over eight games. He was assigned to the
Daytona Tortugas to open the 2023 season. In early August, he was promoted to the
Dayton Dragons. Over 117 games between the two affiliates, Stewart batted .275 with 12 home runs and 71 RBI. Stewart was assigned back to Dayton to open the 2024 season. Over eighty games, Stewart hit .279 with eight home runs and 46 RBI before his season was ended in July with a wrist injury. He was assigned to the
Chattanooga Lookouts to open the 2025 season. After the season, Stewart won both the
Southern League Most Valuable Player Award and its Top MLB Prospect Award. In July, he was promoted to the
Louisville Bats. He was selected to represent the Reds (alongside
Alfredo Duno) at the 2025
All-Star Futures Game at
Truist Park. Over 118 games between Chattanooga and Louisville, Stewart hit .309 with twenty home runs and eighty RBI. On August 31, 2025, the Reds announced they would be promoting Stewart to the major leagues for the first time the following day. He made his MLB debut the next day at
Great American Ball Park versus the
Toronto Blue Jays as Cincinnati's starting first baseman and recorded his first MLB hit, a single off of
Chris Bassitt. Stewart recorded his first MLB home run, a two-run home run, on September 6 against
Jonah Tong of the
New York Mets. Stewart played in 18 games for the Reds in 2025 and hit .255 with five home runs and eight RBI. ==References==