Giants Rotation Collapse Made Two Arms Matter More Than Ever

cornerstones for revitalizing the Giants' faltering rotation amid a crucial offseason overhaul.

The Giants’ rotation left a lot on the table in a 65-97 season, but two names gave the club something real to hang onto: Logan Webb and Landen Roupp.

That’s the starting point for San Francisco as it heads into an offseason where pitching has to be addressed. The team’s rotation finished with a 4.48 ERA, good for 24th in the majors, along with a 1.32 WHIP that ranked 20th. The group produced 9.4 fWAR, also 20th, and while the staff was middle-of-the-pack in hits allowed, it did do a solid job keeping the ball in the park at 1.05 home runs per nine innings.

There’s a catch, though. Oracle Park’s marine layer makes life easier on pitchers, and the ballpark itself ranked 27th in Statcast Park Factors and 28th in home runs.

Even with that advantage, the Giants never found any stability. They used 14 different starting pitchers over the course of the season, which tells the story as plainly as any stat can.

Only two starters topped 155 innings: Webb, who threw 160.2, and Roupp, who finished at 155. Robbie Ray would have been in that group as well, but he was dealt to the San Diego Padres mid-season and ended the year with 165.2 innings.

Webb, a former Gold Glove winner and three-time All-Star, actually turned in his worst season since 2020. In 27 starts, he posted a 4.31 ERA and 1.17 WHIP over 160.2 innings. His 3.46 FIP was much kinder than the ERA, and even in a down year by his standards, he still earned another All-Star nod.

His value went well beyond the surface numbers. Webb was worth 18 pitching run value overall, which placed him in the 92nd percentile, and his sinker/four-seam combination produced 14 run value, good for the 93rd percentile. He kept the ball on the ground, avoided walks, and continued to give the Giants a dependable presence every fifth day.

Roupp was right there with him as the other true workhorse in the group. After logging 106.2 innings with a 3.80 ERA and 1.48 WHIP in 2025, he handled a much bigger load this season and still held his own, finishing with a 4.01 ERA and 1.30 WHIP over 155 innings. His FIP also improved, dropping from 3.91 to 3.73.

Roupp doesn’t overpower hitters with premium velocity, but he gets the most out of his arsenal, especially his curveball and changeup. Each of those pitches was worth six run values, which put him in the 86th percentile in breaking run value and the 91st percentile in offspeed run value.

Working with a sinker, curveball and changeup as his main weapons, he did a strong job missing barrels, limiting hard contact and generating ground balls. All three of those traits ranked in at least the 86th percentile.

For a rotation that lacked consistency for much of the year, Webb and Roupp were the constants. They gave the Giants durability and quality innings when almost nobody else could. Webb’s reputation already carries weight, but Roupp’s season deserves notice too, especially for a pitcher still early in his career.

San Francisco now has to add more behind them. Michael King and Bailey Ober are among the names the Giants could target, and there are other paths available as well. But for now, Webb and Roupp look like the only rotation locks heading into 2027.

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