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ATLANTA -- Left-hander Jonathan Sanchez was scratched from his start Saturday against the Braves and placed on the 15-day disabled list, retroactive to Tuesday, with a strained throwing shoulder.
Right-hander Sergio Romo, who was sent to Triple-A Fresno on Aug. 6 after a 16-game stint with San Francisco, was recalled to replace Sanchez on the active roster. Right-hander Matt Palmer, the Pacific Coast League leader in strikeouts whose contract was purchased from Fresno on Thursday, faced Atlanta instead of Sanchez.
Sanchez had been the subject of concern as the year progressed, since his highest innings total in any professional season was 125 2/3 with Class A Augusta in 2005. He's currently at 135 innings, having compiled an 8-9 record with a 4.53 ERA in 24 starts.
The 7.96 ERA Sanchez recorded in six starts between July 4 and Aug. 5 only raised suspicions about his health. Manager Bruce Bochy and pitching coach Dave Righetti both indicated Saturday they had planned to reduce Sanchez's workload somewhat, although they didn't specify how this would be accomplished.
"We're forced to give him a break now," Bochy said.
Sanchez, 25, reported stiffness in his left shoulder after making 15 to 20 throws while playing catch Friday.
"I felt something wasn't right," said Sanchez, who was examined by the Giants' medical staff.
The development was a surprise, given Sanchez's performance at Houston on Monday. He allowed two runs and five hits in seven innings after no-hitting the Astros through five innings.
"His last start, I thought, was his best," Bochy said.
"He was solid, and that doesn't just mean stats," Righetti said. "I mean maintaining his delivery, not going into that 'winging' mode."
Citing the Houston game, Sanchez rejected the possibility that his arm could be tired.
"I still have my velocity," he said. "Normally when you're getting tired, you lose your velocity."