The Nationals acquired Clemmey and infielders Jose Tena and Rafael Ramirez from the Guardians on Monday in exchange for outfielder Lane Thomas, Mark Feinsand of MLB.com reports.
Clemmey is the regarded as the top asset of the three-prospect haul heading to Washington in the deal. The 58th overall pick in the 2023 First-Year Player Draft, Clemmey has produced a 5.15 ERA with an impressive 12.4 K/9 over 71.2 innings in 20 starts with Single-A Lynchburg so far this season. The left-hander will likely report to Washington's Single-A affiliate in Fredericksburg.