Sunday Notes: Saber Seminar, Backup Sliders, Gose, more
Jason Bere had an interesting observation about Joe Borowski, who saved 45 games for the Indians in 2007. According to Bere – currently Cleveland’s bullpen coach – Borowski threw a lot of backup sliders. Contrary to what you might think, that was a good thing.
“A lot of times when he got a guy to swing and miss, it was with the one that just kind of stayed,” Bere told me. “They would react to what they were seeing out of the hand, the spin, but while it had the tightness of a true slider, it didn’t break like one.
“Hitters will tell you that something that backs up on them is hard to hit. A hanger, they’ll crush. But something that backs up – that last second it’s not going where they thought it was going to go – they”ll have trouble with it. You can see it from the swings they take.”
Intrigued by what Bere told me, I set out in search of further opinions on the effective, yet almost always unintentional, backup slider.
Alan Nathan, the man behind The Physics of Baseball, shared a scientific perspective. Read the rest of this entry »