Astros Pitcher Kai-Wei Teng Throws 6 Scoreless Innings

When Kai-Wei Teng's sweeper breaks toward home plate, it looks like a fastball until the very last moment, then takes a hard left turn that leaves batters swinging at air.

That pitch was working overtime Saturday as Teng threw six scoreless innings in the Astros' 3-0 win over the Cubs at Wrigley Field. He struck out three batters and allowed just two hits in his best start of the season.

But here's what makes the story special: Teng's success isn't just about throwing his best pitch over and over. It's about trusting everything he has, even when it doesn't feel perfect.

"This year, I really trusted in my stuff," Teng said. "Even though I didn't feel good throwing the sinker and four-seam, I stuck with the game plan."

That trust creates what's called "tunneling," where different pitches look identical out of his hand. Batters prepare for a fastball, and by the time they realize it's the sweeper, it's too late to adjust.

The numbers back up the magic. Opposing hitters are batting just .105 against Teng's sweeper this season, with a 32.2 percent whiff rate. He threw it 42 times Saturday and got seven of his 10 swinging strikes with the pitch.

Catcher César Salazar explained what makes it so tough: "It goes in a straight line and takes a hard left, even when he's throwing it for strikes."

Why This Inspires

Teng's journey shows what happens when organizations adapt and athletes embrace new roles. The Astros acquired him in a January trade from the Giants, where he excelled in long relief before Houston moved him to the rotation in late April.

The timing was partly necessity. Hunter Brown, Cristian Javier, Tatsuya Imai, and Lance McCullers Jr. all landed on the injured list, leaving Houston's rotation in crisis mode after a disastrous April that saw starters post a 5.56 ERA.

But it was also opportunity. Teng was throwing too well to keep in the bullpen.

Now, as a starter, he's posting a 2.19 ERA across 37 innings. He's learned to read hitters' reactions and adjust after the first time through the order, getting stronger as games progress rather than fading.

His success is part of a larger turnaround. Astros starters have posted a 3.77 ERA in May, and the team has gone 6-4 in their last 10 games. Manager Joe Espada sees confidence building across the entire pitching staff.

"The level of confidence is starting to rise," Espada said. "The guys are starting to believe in one another."

Sometimes the secret to success isn't finding a new trick, but trusting the skills you already have.