RED SOX ANNOUNCE ROSTER MOVES

June 7th, 2025

BOSTON, MA—The Boston Red Sox today announced the following roster moves:

  • Selected right-handed pitcher Robert Stock to the active Major League roster from Triple-A Worcester. Stock will wear the number 78.
  • Optioned right-handed pitcher Cooper Criswell to Worcester.
  • Recalled right-handed pitcher Josh Winckowski from Worcester and placed him on the 60-Day Injured List with a right elbow flexor strain.

Stock, 35, has appeared in one game for Boston this season, tossing 2.0 innings and allowing one run on three hits and a walk on April 7 against the Toronto Blue Jays. The right-hander has also posted a 3.09 ERA (19 ER/55.1 IP) with 63 strikeouts in 12 games (nine starts) for Worcester. Originally selected by the St. Louis Cardinals in the second round of the 2009 First-Year Player Draft, the California native has recorded a 4.70 ERA (39 ER/74.2 IP) in 56 career Major League games (three starts) with the San Diego Padres (2018-19), Red Sox (2020, 2025), Chicago Cubs (2021), and New York Mets (2021).

Criswell, 28, tossed 3.0 innings last night, allowing one run with two strikeouts. He has appeared in five games this season for Boston, allowing nine runs (six earned) in 9.0 innings. The right-hander has also posted a 1.52 ERA (5 ER/29.2 IP) with a 0.94 WHIP and 38 strikeouts in seven games (six starts) for Worcester. Originally selected by the Los Angeles Angels in the 13th round of the 2018 First-Year Player Draft, the Georgia native owns a 4.68 ERA (76 ER/146.0 IP) in 43 career Major League games (20 starts) with the Angels (2021), Tampa Bay Rays (2022-23), and Red Sox (2024-25).

Winckowski, 26, has pitched in six games for the Red Sox this season, posting a 3.86 ERA (5 ER/11.2 IP). The right-hander has also posted a 2.21 ERA (5 ER/20.1 IP) with 18 strikeouts in five games (three starts) for Worcester. Originally selected by the Toronto Blue Jays in the 15th round of the 2016 First-Year Player Draft, the Ohio native has posted a 4.20 ERA (113 ER/242.1 IP) with 195 strikeouts in 121 career games (21 starts) for the Red Sox (2022-25).