Jonathon is in his third professional season after being selected by the Cubs in the ninth round of the 2023 draft...Is a non-roster invitee to Major League Spring Training for the first time in his career...In 140 career Minor League games in two seasons, is batting .282 (138-for-490) with 25 doubles, 24 home runs, 84 RBI and an .872 OPS...Reached the Double-A level for the first time in his career to end the 2024 campaign...At the beginning of the 2025 season, was ranked by MLB Pipeline as the Cubs' No. 13 prospect...Was named the Southern League Player of the Month for Aug. 2024, after batting .350 (35-for-100) with four home runs and 18 RBI during the month...Played for Mesa in the Arizona Fall League following the 2024 season...Was selected by the Cubs in the ninth round of the 2023 draft...Attended Long Beach State (Calif.), where he played three seasons...Named to the 2023 All-Big West Second Team and 2022 All-Big West Honorable Mention...Hit a combined .317 (154-for-486) with 32 doubles, 26 home runs and 105 RBI in 132 career games...Graduated from Orange High School (Calif.), where he was a three-time First Team All-League selection...Was named the Orange Coast League MVP as a junior.
2024
Jonathon in 2024 combined to hit .283 (115-for-406) with 21 doubles, 17 home runs, 70 RBI and an .851 OPS in 114 games between High-A South Bend and Double-A Tennessee...Led all Cubs minor leaguers with 86 runs scored, while finishing seventh in hits and RBI...Began the year with South Bend, where he played in 68 games, batting .247 (61-for-247) with 12 doubles, 10 home runs and 41 RBI...Tallied an RBI in five-straight games from April 25-30, totaling 11 during the run...Was promoted to Tennessee July 19, where he spent the remainder of the season...Was named the Southern League Player of the Week July 28, after hitting .526 (10-for-19) in his first seven games with the Smokies...Recorded a two-homer game, going 3-for-4 in a 5-1 win over Birmingham July 23...Batted .350 (35-for-100) with four home runs and 18 RBI in August, en route to being awarded the Southern League Player of the Month...Went long four times in a six-game span from Aug. 24-30...Played for Mesa in the Arizona Fall League following the season, batting .338 (25-for-74) with four doubles, one triple, six home runs and 19 RBI in 18 games.
2023
Split his first professional season in 2023 between the Rookie Level ACL Cubs and Single-A Myrtle Beach, playing in 26 games...Batted a combined .274 (23-for-84) with four doubles, seven home runs and 14 RBI...Homered in his first two games with Myrtle Beach Aug. 8-10.
