To make space for prized prospect Jake Thompson to make his debut Saturday night in San Diego, the Phillies had to make a roster move.
Brett Oberholtzer drew the short straw.
On Saturday afternoon, the Phils designated Oberholtzer for assignment and selected Thompson's contract.
Oberholtzer, 26, has played mostly a long-relief role this season after losing out on a starting rotation job during spring training. In 26 appearances this year, he's 2-2 with a 4.83 ERA, 38 strikeouts and 20 walks. He last pitched during Thursday's 3-2 loss to the San Francisco Giants when he threw a scoreless eighth inning.
A local product out of Christiana, Delaware, Oberholtzer came to the Phillies as part of the package the Houston Astros gave up to acquire Ken Giles this past offseason. An eighth-round pick in 2008, he's 13-22 with a 4.09 ERA over four seasons with the Phillies and Astros.
The Phillies called up Thompson, 22, to take Aaron Nola's spot in the rotation after Nola was shut down with a right elbow strain. For more on Thompson see Jim Salisbury's story on how the young pitcher is preparing for his debut and Saturday's Phillies-Padres game notes.
In another roster move on Saturday, the Phils asked for unconditional release waivers for reliever Andrew Bailey. Bailey would still go through MLB's waiver process but has the right to refuse a claim and become a free agent.
Another local product, Bailey, who hails from Voorhees, New Jersey, was designated for assignment on Tuesday. In 33 appearances this season, Bailey went 3-1 with a 6.40 ERA. The American League rookie of the year with the Oakland A's in 2009, the 32-year-old Bailey was attempting to revive his MLB career with the Phillies after dealing with shoulder injuries the past several seasons.