I think his own statements shows that he hasn't a clue...........
"I went towards home plate and then I threw over," Perez said, describing what Hernandez said he did. "I've been doing the same thing [all year], and he called it. I don't know what it is [he has] against me, and I don't like that. I hate that. I lost the game, I hate that so bad."
Here's a link for those of you that didn't see it.
Balk Call
Tim.