"You have to control your emotions," he said. "I understand this is an emotional game, but at the same time, the other guy has feelings, too."
Blackley said he didn't think much of the play until veteran teammate Ronny Cedeno came to him in the dugout and told him it was uncalled for.
"I was just like fired up," Blackley said. "I haven't been having the best outings of late, and I don't know. I just had two hands in the glove and trying to lay the tag and not miss him. He's fast, and it just kind of happened like that."
The mellow Blackley said he would never try to hurt anyone.
"It was one of those things that the heat of the moment kind of got to me," he said. "I didn't mean anything by it."
Brian McTaggart is a reporter for MLB.com and writes an MLBlog, Tag's Lines. Follow @brianmctaggart on Twitter. This story was not subject to the approval of Major League Baseball or its clubs.