Jacob Misiorowski heads into World Series Game 1 with the same basic assignment he’s had all October: make his fastball play, and make it play early.
The Brewers have survived his first two postseason starts, but they haven’t gotten the overpowering version of Misiorowski that carved through the regular season. He’s been solid, not dominant.
He hasn’t finished five innings in either outing. And after leading qualified starters in strikeout-minus-walk rate during the regular season, he’s been closer to the middle of the pack among playoff starters.
“Long story [short], he's taken on a lot of responsibility as a young [24]-year-old kid,” Pat Murphy said. “I think it's been a lot for him.”
The drop-off has started with the fastball. During the regular season, Misiorowski got whiffs on 40.2% of swings against the pitch.
In October, that figure has fallen to 16.1%. A heater that was the best swing-and-miss four-seamer in the sport has suddenly looked ordinary at missing bats.
That hasn’t happened in a vacuum. The Padres and Dodgers were both built to handle fastballs, and they treated Misiorowski’s heater the same way in the postseason: short swings, a lot of foul balls, and a refusal to let the pitch beat them.
When he saw the Dodgers in August, they whiffed on only 22.6% of swings against it. In the playoffs, the two teams combined to foul off 40 Misiorowski fastballs, the second-most against any pitcher this October.
“The Padres and Dodgers both had a good approach of just fouling stuff off,” Misiorowski said. “I bet Tampa Bay is going to do pretty much the same thing.”
Murphy put it even more bluntly.
“They're obviously looking at an area,” Murphy said. “They're trying to exploit everything. He's exposed, like all these guys get at some point.”
There’s also the physical side of this stretch. Misiorowski has not exactly hidden the fact that he’s carrying a heavy load after a career-high in innings, and Murphy acknowledged the toll.
“It’s all about Miz and his health and his mental state, and it's not easy,” Murphy said. “It's not easy what he's going through. This kid is way over what people would call his innings limit.”
The velocity has still been there - he’s held triple digits into October - but the delivery hasn’t always been clean. When he gets out of sync, the fastball sprays more often and he winds up in counts that force him into damage control.
It also changes the shape of the pitch. Without the same feel in his motion, he has a harder time getting behind the ball and creating the backspin that gives the heater its carry from a low arm slot.
That carry has backed up a bit. Misiorowski’s induced vertical break dipped late in the regular season, and in his NLCS start it dropped to 13.7 inches, 1.6 inches below his regular-season average. When the ball isn’t riding the way it usually does, hitters have a little more room to get on plane with it, spoil it, and make him work.
“He hasn't been as crisp,” Murphy said.
Misiorowski said he felt better as his second playoff start wore on, and he believes he found something he can trust.
“I feel good,” he said. “I feel like the first one might have been a little under what I expected, but the second one was pretty much right where I wanted to be. I think I finally figured it out in Game 2 of not getting off my end goal and doing what I need to do to succeed and not trying to play their game.”
Even with the fastball not living up to its regular-season standard, it’s still the center of everything he does. The Brewers threw it 67% of the time across his first two postseason starts, and that approach isn’t changing on Friday.
Nor should it. Misiorowski’s velocity and extension still give the pitch real life, and it figures to play better against the Rays than it did against the Padres and Dodgers.
Those were two of the best teams in baseball at handling velocity. Tampa Bay was one of the worst offenses against pitches thrown 98 mph or above.
Team RV/100 WOBA xwOBA
Parents -0.34 (4th) .300 (7th) .299 (5th)
Dodgers -0.23 (2nd) .298 (8th) .305 (2nd)
Rays -2.11 (29th) 234 (29th) .224 (30th)
The Brewers won both of Misiorowski’s first two October starts anyway, but they did it while leaning hard on the pitch that defines him. If he gets even a little closer to his regular-season version on Friday, that changes the entire look of Game 1. And if he finds that fastball fully again, it gives Milwaukee a real boost in its push for the first championship in franchise history.
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Jacob Misiorowski Just Gave Brewers Fans A New Reason To Believe
Jacob Misiorowski has already given Milwaukee plenty of reasons to dream, and his latest spotlight moment only sharpened the anticipation. The hard-throwing starter came into Game 1 after a season in which he posted a 1.80 ERA over 30 starts and routinely lit up radar guns, averaging 100.6 mph on his four-seam fastball.
The performance against Tampa Bay took that power to another level, even by postseason standards. Misiorowskis velocity put him in a class all his own on baseballs biggest stage, and it only added to the sense that the Brewers may have something special in their rotation as the pressure rises. The only real question now is how far that arm can carry them when the games matter most. [Read more 🡒]
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Springsteen had been watching the Brewers and wanted to connect with Murphy, which made the exchange even more meaningful. Murphy described the conversation as easy, and he spoke about the impact Springsteens music has had on him and his teams over the years. It was a reminder that the Brewers postseason run has started to reach beyond the field, in ways that can surprise even the people closest to it. [Read more 🡒]