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.

Julio Teheran throws six no-hit innings in return from disabled list

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Braves starter Julio Teheran dazzled in his return from the 10-day disabled list on Sunday, tossing six no-hit inning against the Padres. He walked three and struck out 11 batters on 95 pitches. Unfortunately for Teheran and for the Braves, the no-hit bid ended quickly as reliever Shane Carle surrendered a one-out single to Cory Spangenberg in the seventh inning. Nevertheless, the Braves went on to win 4-1 over the Padres.

Teheran, 27, went on the disabled list on June 5 with a right thumb contusion. He apparently suffered the injury while batting during his June 4 start against the Padres. Following Sunday’s effort, Teheran now carries a 3.97 ERA with a 67/36 K/BB ratio in 77 innings this season.

Coincidentally, Teheran has a spotless ERA on Father’s Day across four starts. Here were the results from his previous three starts:

  • June 16, 2013 vs. Giants: 6 IP, 7 H, 0 R, 1 BB, 8 K
  • June 21, 2015 vs. Mets: 7 IP, 1 H, 0 R, 2 BB, 5 K
  • June 19, 2016 at Mets: 9 IP, 1 H, 0 R, 0 BB, 7 K