Hannah Foslien/Getty ImagesCleveland Indians outfielder Bradley Zimmer will be out eight to 12 months after undergoing arthroscopic surgery on his right shoulder on Friday.The team announced the news on Saturday Tyler Austin Jersey , noting that the procedure was to repair a torn labrum.Zimmer hurt his shoulder while taking batting practice for the Triple-A Columbus Clippers on June 11.Indians manager Terry Francona expressed his disappointment for the 25-year-old, via Jordan Bastian of MLB.com:"I feel so bad for him. He's such a good kid. I don't have any doubt鈥攈e'll come back from this. He's not a pitcher. It's just missing the developmental time. But, OK, so if his clock changes a little bit, that doesn't mean he's not going to be a great player."Since being drafted in the first round back in 2014, Zimmer had been a highly touted prospect in Cleveland's farm system for years before getting his feet wet in the majors last year. He hit .241/.307/.385 with eight home runs Clint Frazier Jersey , 15 doubles, two triples, 18 stolen bases and 39 RBI in 101 games in his first year.While those numbers don't jump off the page, he was given an opportunity to be the Tribe's starting center fielder this year. However, he hit just .226/.281/.330 with two home runs, five doubles and nine RBI in 34 games. He also missed a few weeks in May because of a left rib contusion.Zimmer was optioned to the minors on June 5 to try to get his bat back on track.There's still plenty of time for Zimmer to show why he was a first-round pick. Unfortunately for him http://www.athleticsfanproshop.com/authentic-mark-mcgwire-jersey , his quest to establish himself as a major leaguer has been put on hold as he now has to rehab from shoulder surgery, an injury that not only ends his season, but will affect him going into 2019 as well. The Detroit Tigers traded starting pitcher Mike Fiers to the Oakland Athletics "in exchange for two players to be named later or cash considerations," according to the Athletics.Susan Slusser susanslusserIm told the As did claim Fiers on waivers before making the trade with Detroit, which has a list of players from which to choose two - or take $$ instead.Fiers, 33 Stephen Piscotty Jersey , is 7-6 on the season with a 3.48 ERA, 1.24 WHIP and 87 strikeouts in 119 innings (21 starts).It's the team's second move in as many days to bolster the pitching staff. On Sunday, the teamacquiredrelieverShawn Kelley.In Oakland, Fiers will round out a starting staff that also includes Sean Manaea,Brett Anderson,Edwin Jackson http://www.athleticsfanproshop.com/authentic-andrew-triggs-jersey , andTrevor Cahill. It's been a bit of a patchwork rotation, though the Athletics have certainly made do, as they currently sit at 67-46 while holding down the AL's second Wild Card berth.They've gone an impressive 32-10 in their past 42 games and only trail the Houston Astros, who have the second best winning percentage in baseball (.628), by four games in the AL West.The Athletics designated pitcherJeremy Bleichfor assignment to make room for Fiers on the roster. As for the Tigers, Jacob Turner will take Fiers spot in the rotation Jake Smolinski Jersey , according toJon Morosiof MLB.com. He'll make his first start for the team since 2012.