The moves were announced after a 3-2 loss to Cleveland. Conger, the MVP of this year's All-Star Futures Game at Angel Stadium in July thanks to a three-run homer that helped the U.S. beat the World squad, will be making his first trip to the big leagues. He was a first-round pick by the Angels in the 2006 draft.
"Trumbo is certainly one of the top power prospects in baseball, and he already has opened a lot of eyes in Salt Lake. But certainly, we want to see how his stuff plays against major league pitching," manager Mike Scioscia said.
"Crossing over into the big leagues is obviously the next step. Sometimes with guys who have bigger swings, it takes a little bit longer. But I think that whatever opportunity Mark would get for us right now isn't going to define him as a player. Even if he played every day for 20-something games, you wouldn't be able to make that determination."
Stokes had an 8.10 ERA in 16 relief appearances this season and walked 16 batters in 16 2/3 innings. The right-hander was put on the disabled list May 11 because of shoulder fatigue and recalled on Sept. 1 when rosters expanded.
"Brian is a guy that we just don't see having the opportunity to pitch and move forward with us," Scioscia said. "He's a guy who has a good arm, but I don't think he was ever really in sync after he came out of spring training and his arm was a little sore during the season."
In addition, right-hander Matt Palmer will be reinstated from the 60-day disabled list. Palmer was shut down on May 11, four days after he was optioned to Triple-A.
"They're all players that we know can help us and fill out our depth chart," Scioscia said. "We'll see where they can fit in and if they can get a chance to get the feel of contributing in a big league environment. We're excited about some of the guys coming up, but we still have a group in there that we're going to move forward with."