Curt Schilling thinks he has the answer to Paul Skenes’ 2026 slump, and he’s putting the blame on mechanics.
The former pitcher, a six-time All-Star and three-time World Series champion, took to Twitter to argue that the Pittsburgh Pirates right-hander’s issues were easy to spot well before the current downturn. Schilling said he had flagged the problem before the World Baseball Classic and believes Skenes is paying the price for the way he delivers the ball.
"The Athletic has an article asking what's wrong with Paul Skenes," Schilling wrote. "Go back and check my social media BEFORE the WBC, and then the posts regarding his mechanics.
I am not Carnac, I just did his job for a living and have studied it my entire life. This was predictable, and I predicted it.
The Athletic has an article asking what's wrong with Paul Skenes. Go back and check my social media BEFORE the WBC, and then the posts regarding his mechanics.
I am not Carnac, I just did his job for a living and have studied it my entire life. This was predictable, and I…"
Schilling’s view is that Skenes is throwing with too much effort, and that the “max effort” approach is putting unnecessary stress on his arm. Back on Aug. 27, 2025, he warned that the workload could become a problem unless Skenes dialed things back.
".... Skenes mechanics will make it very hard for him to take on that workload unless he can tone down the effort," Schilling said on Twitter back on Aug.
27, 2025. "He won't LOSE anything, but will gain long term benefits."
He expanded on that idea by comparing Skenes’ delivery to his own, saying the modern pitching style can push velocity at the expense of repeatable command. In Schilling’s view, Skenes would be even more dominant if he relied more on extension and finish instead of what he called the “whip” or max-effort action.
"... Extension and FINISH generate max backspin and velocity AND you can command the fastball.
The new way is why pitchers no longer command the FB INSIDE the zone. They can throw strikes, but they cannot repeat fastball location within a 6-8" box, if they could Skenes would punch out 400."
Today it's 'standing tall' vs 'extension', one is extremely stressful the other is not. Someone has made these guys believe max effort 'whip' is the best way to max velocity, it is NOT.
Extension and FINISH generate max backspin and velocity AND you can command the fastball. The… https://t.co/VUhhZx33uT
Schilling also said he would not have let Skenes pitch in the World Baseball Classic. Skenes did take the mound for Team USA in March, working 8.1 innings across two starts and adding three innings in an exhibition against the San Francisco Giants. That appearance did speed up his season compared with a normal spring, though he still would have logged more Spring Training innings if he had not represented his country.
The results this season have backed up the concern. Skenes owns a 3.88 ERA in 2026, which is twice as high as it was across his previous two seasons.
Over his last 16 starts, he has won only three times and has posted a 5.00 ERA. In his Aug. 11 start against the Miami Marlins at loanDepot Park, he was limited to 65 pitches over five innings in a 2-0 loss.
There has also been a noticeable change in his delivery. Skenes’ arm angle is listed at 26 degrees, up three degrees from the 23-degree mark he carried in each of the past two seasons. The Pirates have denied that he is pitching hurt.
One of the clearest warning signs has been the dip in velocity. Against the Marlins, Skenes averaged 95.7 mph, down from the roughly 97 mph he typically sits at in most starts.
Skenes said after that game that he plans to keep working through the issues and looking for fixes wherever he can find them.
“Always working on stuff and trying to figure out stuff, whether it’s in the bullpen or catch, play or in the weight room, training room," Skenes said postgame after Marlins start. "So there have probably been some changes as the season's gone on.
I don’t think that’ll stop. This year and the future years too.”
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