LOS ANGELES -- In need of a fresh arm, the Dodgers optioned right-hander Mike Bolsinger to Triple-A Oklahoma City and recalled Carlos Frias from Triple-A before Sunday's series finale against the Brewers at Dodger Stadium.
""Mike understands that when you are up here, you have got to get outs," manager Dave Roberts said. "Send him back out there, to work through some things, go back to getting guys out, hopefully we'll see him later on."
The Dodgers' bullpen has pitched 16⅓ innings in the last three games, including 6⅓ innings on Saturday in relief of Bolsinger, who had his worst start of the season, allowing five runs while recording just eight outs.
"Obviously you look at our pen, the status, we needed some coverage and some length," said Roberts. "Frias, put him in the pen, it just made sense.
"Right now it is going to be a nine-man bullpen and with that starter in Bolsinger's spot, we haven't decided on that, but right now we see Carlos in the coming days in the pen."
Roberts also said that outfielder Yasiel Puig will be activated from the disabled list on Monday.
Bolsinger, who has a 6.83 ERA in six major league starts this year, did experience discomfort that required a mound visit in the second inning on Saturday night. Manager Dave Roberts said Bolsinger experienced cramping in his side, though the pitcher did remain in the game for another inning.
Bolsinger began the season on the disabled list with a strained oblique suffered during spring training.
Frias started the season on the disabled list in Triple-A with a strained oblique but he has worked his way back. He has been stretched out with a starter's workload, with 17⅓ innings over his last three outings, and so far this season has a 4.60 ERA in his seven appearances between Double-A Tulsa and Triple-A, with 25 strikeouts and nine walks in 31⅓ innings.
Frias last pitched last Sunday, 5⅓ frames in relief of Jose De Leon.
The Brewers also made a roster move before the series finale, reinstating pitcher Michael Blazek from the disabled list with right-hander Corey Knebel getting optioned to Triple-A Colorado Springs. Knebel pitched a scoreless eighth inning in relief for Milwaukee on Saturday night.