And he defended his use of the bullpen, when he pulled CC Sabathia after just 77 pitches with one out in the sixth to bring in Green.
The injury occurred in the first inning Friday night in a game Cleveland eventually won 9-8 in the 13th.
"There was nothing that told us that he was not hit by the pitch", Girardi said after the game.
"Brett Weber has been so good at what he does that when he tells me that something's not inconclusive, I believe him, because he's been so good", said Girardi, whose team has consistently led Major League Baseball in successful replay challenges since the system was introduced.
"I take responsibility for everything, and I feel awful about it", Girardi said on Saturday, via MLB.com's Bryan Hoch. "It's not Brett's fault". They grew quiet when Sanchez homered, cringed when Encarnacion was injured, roared when a single by Jason Kipnis gave the Indians a 3-2 lead in the bottom of the second and then were stunned when Kluber coughed up four more runs in the top of the third. By the time the team saw the slo-mo, it was too late to request a review.
However, it was called by the plate umpire as a hit-by-pitch and they are reviewable. Again, I screwed up. "It's a hard day for me, but I've got to move forward".