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Nationals Add Tom Cosgrove to Bolster Left-Handed Relief

The lefty gives Washington extra southpaw depth as injuries and a struggling bullpen push the club to pursue low-cost, short-term options.

Overview

  • The Nationals selected Tom Cosgrove’s contract and added him to the active roster on Friday to fill the 26-man spot opened when right-hander Brad Lord was placed on the 15-day injured list.
  • Washington’s 40-man roster is full so the club must clear a spot before Cosgrove’s addition is fully formalized.
  • Cosgrove enters as a reclamation left-hander with a 3.86 ERA over 70 big-league innings since 2023 and a standout 1.75 ERA in his 2023 rookie year but he has struggled with control in Triple-A this season, issuing 21 walks and hitting nine batters in limited action.
  • The move responds to a bullpen that carries a 5.04 collective ERA and recent losses of key southpaws Mitchell Parker and Richard Lovelady, with Parker likely needing Tommy John surgery.
  • As a low-cost pickup acquired for cash, Cosgrove can be a situational option against lefty-heavy lineups, but his below-average velocity, control issues and the open 40-man question limit how much he can be relied on while the Nationals remain in a tight wild-card race.