As the Indians welcome the Angels to Progressive Field on Friday to open a three-game set, Masterson will take the rubber looking for his first win, while Weaver will try to stay unbeaten.
Masterson was dominant in the Indians' opener, allowing just one run on two hits over eight innings, but he settled for a no-decision in the Tribe's 16-inning loss. In three starts since, Masterson hasn't lasted longer than five innings in any one outing, conceding 15 earned runs in 13 2/3 innings.
"The ball is moving," Masterson said after issuing six walks in his last outing. "The ball is moving a lot and we're really close. We're not trying to pick the corners, but we seem to be right there and just missing. We're just really close. It's nothing way out -- nothing crazy. It's just something that's happened."
Weaver, on the other hand, has been one of the few bright spots for the Angels during their 6-13 start. He threw eight shutout innings on Opening Day and enters Friday's contest 3-0 with a 2.43 ERA overall.
The Angels right-hander had a season-low five strikeouts in his last outing, despite turning in his first complete game of the year. Overall on the season, Weaver has struck out 28 batters while handing out just two free passes.
Even if Weaver turns in another stellar outing, the Angels will still need to get some production from their offense if they plan to snap their four-game losing streak. The Halos have managed just seven runs in those four losses.
"Right now it seems like we need that one spark," Angels manager Mike Scioscia said before his club lost on a two-run, walk-off homer Thursday. "Our focus is getting this club together to play and start working towards its potential. We have to circle the wagons. We have to get better at some things, and we will."
Angels: Catching prospect Conger lands on DL
Hank Conger, the best catcher in the Angels' farm system, was recently placed on the seven-day Minor League disabled list with a right elbow injury.
The injury is considered minor for Conger, who was hitting .357 with two homers and eight RBIs in 13 games for Triple-A Salt Lake. The 24-year-old Conger hit .295 in 18 Spring Training games.
"Just a light sprain in the elbow," Conger said via text message on Wednesday night. "I'll be good. Should be back in a couple of weeks. Nothing serious."
Indians: Choo day to day with bothersome hamstring
Shin-Soo Choo missed the final two games of the Indians' series with the Royals after leaving Tuesday night's contest with tightness in his left hamstring.
Choo said he hopes to return at some point this weekend against the Angels but added that, being so early in the season, he will play it safe.
"I've never had my hamstring hurt that much in my baseball career," he said Thursday. "It's tightness, so maybe it's OK. I've had tightness many times before during the season, but not that sore. It was the first time I felt like that with my hamstring, so I shut it down."
Choo would ideally like to be back in time for Friday's opener, considering he's hitting .440 (11-for-25) in his career against Weaver. While a Friday return seems unlikely at this point, Choo has seen progress over the past couple of days.
"I feel much better now -- a lot better," he said before Thursday's loss.
Bobby Abreu is 7-for-15 (.486) in his career against Masterson. The rest of the Angels' roster is a combined 15-for-71 (.211) against the right-hander.
Choo's .440 average against Weaver is the second-highest among players with at least 25 plate appearances against the Angels' ace. Raul Ibanez is No. 1, with a .519 mark.
The Angels are 8-2-1 in their last 11 season series against the Tribe.