Jack Winkler
Jack Tanner Winkler is an American professional baseball second baseman who is a free agent. He played college baseball for the San Francisco Dons. Winkler was selected by the Oakland Athletics in the 10th round of the 2021 MLB draft. He made his MLB debut with the Miami Marlins in 2025, playing with the team through the 2025 season.
Early life
Winkler was born on November 4, 1998, in Littleton, Colorado. He attended Chatfield Senior High School and graduated as salutatorian in 2017.College career
Winkler played college baseball for the San Francisco Dons from 2018 to 2021. Throughout his college career, he played as an infielder. In 2019, Winkler played collegiate summer baseball with the Wareham Gatemen of the Cape Cod Baseball League.Professional career
Draft and minor leagues
Winkler was selected 308th overall by the Oakland Athletics in the 10th round of the 2021 MLB draft. He split his first professional season between the Rookie-level ACL Athletics and Single-A Stockton Ports, hitting.191 in 24 total games.Winkler spent the 2022 season with the High-A Lansing Lugnuts, batting.267/.355/.379 with four home runs, 25 RBIs, and four stolen bases across 60 appearances.
Winkler split the 2023 season between the Lugnuts and the Double-A Midland RockHounds. In 117 appearances for the two affiliates, he slashed a combined.245/.331/.359 with seven home runs, 58 RBIs, and 22 stolen bases.
Winkler returned to the RockHounds for the 2024 season, making 127 appearances and hitting.223/.310/.345 with eight home runs, 57 RBIs, and 28 stolen bases.
On December 11, 2024, the Miami Marlins selected Winkler in the minor league phase of the 2024 Rule 5 draft. He began the 2025 season with the Triple-A Jacksonville Jumbo Shrimp.