Bergesen last pitched two scoreless innings on Saturday for Norfolk and has pitched to a 2.35 ERA in his last 10 games. Overall, the 26-year-old has gone 4-3 in 22 games (10 starts) allowing 42 runs (36 earned) on 90 hits and 23 walks. He has struck out 41 over his 80 1/3 innings.
"It was a real surprise," Bergesen said of his first Major League callup this season. "I was about to fall asleep [Monday night] and then I got the phone call about 12:30, 1 o'clock last night. [Triple-A Manager Ron Johnson] called me. 'You're going up. Come get your bag. You've got a 9:30 flight.'"
Bergesen has a career Major League record of 17-24 with a 4.68 ERA and is expected to be used as the right-handed long man behind Tuesday's starter Zach Britton, who is making his season debut. To make room on the 40-man roster, Nick Johnson (right wrist injury) was transferred to the 60-day disabled list.
"I felt bad ... didn't really want to send Socolovich out, but he was kind of dead in the water for a couple days," said manager Buck Showalter, who used the right-hander for 2 1/3 innings in Monday's game.
"Obviously with any pitcher, but especially a young pitcher [Britton] starting the season, you want to be able to be covered as much as you can. You want to have a long guy that's able to go long, and of the possibilities we had there, Bergy was the best option."
The Orioles also officially recalled Britton from Norfolk, placing Robert Andino on the disabled list to make room on the roster.