Rob Friedman 'Pitching Ninja' talks favorite A's pitchers past, present

When you combine fun commentary and GIFs of "filthy" pitches that make you go weak in the knees, you get Rob Friedman -- or as many of you know him as, @PitchingNinja.

We've already gone over Friedman's favorite Giants pitchers, but we wanted to take a look at the A's this time around. And with Friedman being a huge fan of Blake Treinen, he was more than happy to talk the green and gold.

Blake Treinen

Rob Freidman: "OK, this comes as no surprise. I've been on Blake Treinen since I dubbed him as 'The Witch' a few years back due to his wicked, other-worldly stuff ... and then undubbed him when I found out he hated that name -- oops."

RF: "A witch or not, and I 96.9 percent believe him that he's…