Jack Sinclair

Jack Sinclair: live stats, Statcast data and splits for the Washington Nationals right-handed pitcher.

Jack Sinclair's 2026 season

Jack Sinclair pitched in 11 games out of the bullpen for the Washington Nationals in 2026, the season he made his MLB debut on September 4. The right-hander worked 11 innings with a 2.45 ERA and a 0.91 WHIP, striking out 8 (17.4 percent of batters) and walking 4 (8.7 percent). He was worth 0.1 fWAR.

Before his call-up, he posted a 4.03 ERA over 60⅓ innings at Triple-A Rochester Red.

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Jack Sinclair's 2026 season

Read more

PODCAST: Why trading Logan Gilbert should be on the table, blockbuster prospect trades, Ryan Sloan’s trade value

PODCAST: 3B Prospects, how the D improves, every arbitration decision

The J.P. Crawford Paradox

PODCAST: 3 Mariners players that should be on the trade block