The New York Mets are bringing left-handed pitcher David Peterson back to their starting rotation on Thursday, May 21, 2026, for the final game of a four-game series against the Washington Nationals at Nationals Park.
New York aims to split the series after dropping consecutive games, during which the Washington offense produced back-to-back multi-home run performances from Bo Bichette and Juan Soto.
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Pitching Matchup and Recent Form
Peterson holds a 5.40 ERA and a 1.569 WHIP over 43 1/3 innings this season.
However, he has shown improvement recently, posting a 2.77 ERA in his last three appearances while working behind an opener.
The Nationals will counter with right-hander Cade Cavalli, who carries a 4.05 ERA and a 1.543 WHIP through 10 starts this year.
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The Mets bullpen enters the series finale well-rested, as Daniel Duarte, Austin Warren, and Craig Kimbrel handled relief duties over the previous two days.
Offensive and Roster Updates
Juan Soto continues to lead the Mets offense, raising his season OPS to . 951 after going 14-for-36 with five home runs over his last nine games.
In other roster news, the Mets announced that pitcher Kodai Senga will begin a rehab assignment with Single-A St. Lucie on Friday.
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Senga has been out for three weeks due to lumbar spine inflammation.
