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How concerned should the SF Giants be with Keaton Winn’s usage?

He’s pitched a lot
Apr 25, 2026; San Francisco, California, USA; San Francisco Giants pitcher Keaton Winn (67) throws a pitch against the Miami Marlins during the seventh inning at Oracle Park. Mandatory Credit: Darren Yamashita-Imagn Images
Apr 25, 2026; San Francisco, California, USA; San Francisco Giants pitcher Keaton Winn (67) throws a pitch against the Miami Marlins during the seventh inning at Oracle Park. Mandatory Credit: Darren Yamashita-Imagn Images | Darren Yamashita-Imagn Images

Keaton Winn has been the best SF Giants reliever in 2026. He has now appeared in 22 out of 55 games this season. How concerned should they be with his usage?

Tony Vitello has managed without traditional bullpen roles. In a save situation, it could be any number of relievers who gets the nod.

Who closes it out? Five players have notched a save so far this season. While Vitello is not going with concrete roles, Erik Miller and Caleb Kilian have come in for save opportunities lately.

Winn has often been used in high-leverage spots, but outside out of the defined setup or closer role. Vitello has picked some nice spots to use him in leverage spots.

SF Giants manager Tony Vitello has driven up Keaton Winn’s usage

Tuesday night’s game was an example of this. Winn came in with two runners on with zero outs, and pitched through that without yielding a run.

There are examples where Winn’s usage has been questionable. That was on display on Wednesday afternoon. He came into the game when the Giants were down 6-3 in the sixth inning. That was a non-leverage spot, and should have gone to a non-leverage reliever.

Now, there are times when relievers get put out there when the situation does not call for it. If he is warming up to enter a tight game, but the offense puts up enough of a rally to change the situation, he might still get into that game.

Teams usually factor a reliever getting ready for a game as part of their usage even if it does not show up in the box score. More often than not, when a reliever gets ready, they get into the game.

This is something the Giants will need to manage more effectively. Winn has been sidelined by significant elbow injuries over the years. This has led to a shift to the bullpen, and that move has paid dividends

The righty reliever has pitched to 2.11 ERA with 20 strikeouts and seven walks in 21.1 frames this year. That said, it is hard to ignore that he has been used in too many non-leverage spots, driving up his usage.

This has led to Winn appearing in 44 percent of the games so far. If the Giants want him to remain effective, it might make sense to pick his spots more strategically.

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