Chris Tillman said Sunday that the Baltimore Orioles' decision to send him to the bullpen caught him by surprise but he's not upset by the move and is determined to use his time as a reliever to "get better."

Tillman, who is 1-7 with an 8.10 ERA and has gone winless in his past 14 starts, was sent to the bullpen on Saturday. Last season he was 16-6 and started the American League wild-card game.

"It's not easy. I've never seen myself in that spot, but you know what? I haven't been pitching well enough and I understand it. I'm not mad. I just need to get better," he told reporters Sunday, according to the Baltimore Sun.