Justin Masterson threw 104 pitches last night and 103 of them were fastballs

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Justin Masterson shut out the Twins for 7.2 innings last night, allowing just four hits and no walks while striking out six, and remarkably did so while throwing fastballs on 103 of his 104 pitches. Seriously.

His timing was especially amusing because just a few hours earlier Sam Miller wrote a Baseball Prospectus column about all-fastball repertoires and wondered how long it would be before someone went with 100 percent heat in a start.

Masterson was damn close, throwing just one slider among 104 offerings, and Jordan Bastian of MLB.com (at the Twitter urging of an intrigued Miller) talked to the right-hander about why he bothered using the one non-fastball:

Well, you know, we thought we’d probably use it more. That one would hopefully kind of put it in the back of the head like, “Oh, later on in the innings, is he going to throw one here? Is he not?”

Along with that little intro to Game Theory he also said the approach was a case of “don’t change what’s working.” In other words, if the Twins kept showing that they couldn’t hit his fastball why did he need to throw anything else? Masterson got six strikeouts and 15 ground-ball outs while allowing zero extra-base hits, and only a Chris Perez blown save kept him from winning a 1-0 game while throwing one pitch slower than 90 miles per hour.

I’ve been skeptical of Masterson as a starter because I wondered if his lack of secondary pitches would eventually force a move to the bullpen, but that looks kind of silly right now. He has a 2.64 ERA and 101/40 K/BB ratio in 136 innings spread over 20 starts this season and, as Bastian notes, he’s thrown 82 percent fastballs.

Dallas Keuchel is unlikely to return before the All-Star break

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Astros’ left-hander Dallas Keuchel might not return to the rotation before the All-Star break, Houston manager A.J. Hinch told reporters prior to Sunday’s game. The club placed their star southpaw on the 10-day disabled list on June 8, retroactive to June 5, after a nerve issue was revealed in his neck.

Keuchel has taken a conservative approach to his recovery over the last several weeks, and while he appears to have made some progress, still has yet to throw off the mound. The injury interrupted the start of an outstanding run with the Astros, during which the 29-year-old lefty furnished a 9-0 record with a 1.67 ERA, 2.1 BB/9 and 8.2 SO/9 through his first 75 2/3 innings of 2017.

According to Hinch, it’s certainly possible that Keuchel could return to the team sometime within the next two weeks, but it’s clear that the team would prefer to play it extra safe with their ace. Even assuming that he feels ready to reclaim his spot on the Astros’ pitching staff, he still needs to complete a few key activities before competing in another game — like throwing off a mound, for example. In the meantime, Lance McCullers Jr. will continue to head Houston’s rotation as they try to build on their 12.5-game lead in the AL West.

 

Hinch’s full comments are below:

The Mets are promoting Tim Tebow to Single-A St. Lucie

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Mets GM Sandy Alderson told the media on Sunday that the organization is promoting outfielder Tim Tebow from Single-A Columbia to advanced Single-A St. Lucie, MLB.com’s Anthony DiComo reports.

Tebow, 29, wasn’t hitting particularly well to merit the promotion. Across 241 plate appearances with Columbia, he hit .222/.311/.340 with three home runs and 22 RBI. He had just seven extra-base hits (all doubles) in his most recent 20 games. Alderson, however, defended the decision by citing Tebow’s exit velocity and other metrics.

I think we can all agree that the real reason is that promoting Tebow creates another opportunity for the Mets to sell merchandise with his name on it.

One has to feel for the outfielder Tebow will displace. St. Lucie’s regular outfielders have comparable stats to Tebow’s, so they aren’t exactly being replaced on merit. That outfielder will see less playing time, hurting his future prospects. Adding Tebow to St. Lucie’s roster will push someone off of the roster, which will also harm that player’s future prospects. And, remember, these players don’t make much money to begin with.