The Chicago White Sox selected Ramsey in the 23rd round, with the 678th selection, of the 2018 MLB draft.[2] He made his professional debut with the rookie–level Great Falls Voyagers, logging a 5.77 ERA in 19 contests.
In 2019, Ramsey made 31 relief appearances for the Single–A Kannapolis Intimidators, posting a 4–6 record and 2.75 ERA with 44 strikeouts across 52+1⁄3 innings pitched. He did not play in a game in 2020 due to the cancellation of the minor league season because of the COVID-19 pandemic.[3]
Ramsey returned to action in 2021 with the High–A Winston-Salem Dash, Double–A Birmingham Barons, and Triple–A Charlotte Knights. In 44 combined appearances between the three affiliates, he pitched to a 4.34 ERA with 56 strikeouts and 7 saves across 47+2⁄3 innings of work.[4] He split the 2022 season between Charlotte, Kannapolis, and the rookie–level Arizona Complex League White Sox, accumulating a 6.39 ERA with 28 strikeouts and 4 saves in 25+1⁄3 innings pitched.[5]
In 2023, Ramsey made 32 appearances for Triple–A Charlotte, recording a 4–4 record and 5.50 ERA with 48 strikeouts and 6 saves in 36.0 innings. On August 5, 2023, Ramsey was selected to the 40-man roster and promoted to the major leagues for the first time.[6] He made his major league debut the following day.
Ramsey was designated for assignment by the White Sox on February 3, 2024.[7] He cleared waivers and was sent outright to the Triple–A Charlotte Knights on February 8.[8] He became a free agent after the 2024 season.[9]
Miami Marlins
On March 5, 2025, Ramsey signed a minor league contract with the Miami Marlins.[10] He made 14 appearances split between the Double-A Pensacola Blue Wahoos and Triple-A Jacksonville Jumbo Shrimp, posting a combined 0-1 record and 3.57 ERA with 24 strikeouts and two saves across 17+2⁄3 innings pitched. Ramsey elected free agency following the season on November 6.[11]
