Oakland A's velocity changes by month: May

Throwing gas. - Kenny Karst-USA TODAY SportsWho threw harder in May compared to April, and who lost miles per hour.

In April, I made the promise of giving you a tremendously boring post on velocity changes by month. The more boring, the better, as that means there weren't any major dips which often signify injury. Let's check out May.

The averages below are for whatever type of heater corresponds best to said pitcher. For example, Marc Rzepczynski rarely throws a typical four-seam fastball, so his numbers represent the velocity of his sinker. I've listed their average MPH by month and compared April and May in the final column.

Here are the starters:

Starters April 2015 May 2015 June 2015 July…