The 24-year-old has been placed on the 15-day injured list with right shoulder soreness, meaning he will miss Monday's start as part of the Tigers' doubleheader against the Cleveland Guardians at Comerica Park.
"MRI came back fine," manager A.J. Hinch said after Saturday's 4-3 win over the Kansas City Royals. "There's some inflammation that he's going to have to work through. Hopefully, he'll be throwing and playing catch in the next couple of days, so he's not shut down."
For Monday's split doubleheader, right-hander Garrett Hill will make his MLB debut in one of the two games. The other starter will be righty Alex Faedo, serving as the 27th player, added to the roster for the twinbill.
Triple-A Toledo manager Lloyd McClendon told Hill about his promotion Saturday afternoon.
"I couldn't believe it," Hill said Sunday. "Time stopped. I was holding back emotions. That's what you want as a little kid, to eventually get to the big leagues. That's the dream. Now, the goal is to stay here."
Hill is the Tigers' No. 23 prospect, according to MLB Pipeline.
He was drafted in the 26th round (No. 765 overall) in 2018 out of San Diego State University.
In 2022, Hill has a 3.23 ERA with 25 walks and 98 strikeouts across 69⅔ innings in 15 starts for Double-A Erie (seven starts) and Triple-A Toledo (eight starts). For the Mud Hens, the 26-year-old has a 4.06 ERA with 15 walks and 46 strikeouts in 37⅔ innings.
"Being in the (strike) zone is the biggest part," Hill said. "You can't defend the walk. Just attacking. If they hit it, they hit it. More times than not, if you make the pitch, you're going to get outs. I'm not necessarily chasing strikeouts. I'm just trying to get quick outs in three pitches, four pitches or less."
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For Hill to join the 26-man roster, the Tigers needed to clear space for him to join the 40-man roster.
Right-hander Matt Manning shifted to the 60-day injured list to open a spot.
Manning had been on the 10-day IL since April 17. He's close to beginning a rehab stint with Low-A Lakeland and Triple-A Toledo, but a big-league return isn't likely before late July.
The only other Tiger on the 10-day IL — not including García on the 15-day IL injured list — is outfielder Austin Meadows, but he is expected to return to the Tigers at some point during the team's upcoming road trip to Chicago, Kansas City and Cleveland.
This article originally appeared on Detroit Free Press: Detroit Tigers pitching prospect Garrett Hill to make MLB debut Monday