Jaret Wright was placed on the 15-day disabled list Thursday, four days after a strained right shoulder forced him to leave his last start.
After retiring 10 of the last 11 hitters he faced against Houston on Sunday, the right-hander left complaining of stiffness between his right shoulder blade and spine after five innings.
"He'll miss two starts," manager Mike Hargrove said.
Hargrove said that Tom Candiotti would take Wright's spot in the rotation and start Friday night in New York against the Yankees.
The 23-year-old joins catcher Sandy Alomar, third baseman Travis Fryman, outfielder Wil Cordero and pitchers Tom Martin and Steve Karsay on the team's disabled list.
"I'll come through this fine," Wright said. "Other than that, I don't want to talk about it."
Left-hander Chris Haney was purchased from Triple-A Buffalo to replace Wright on the active roster. To make room for Haney on the 40-man roster, left-hander Mike Matthews was designated for assignment.
Wright is 7-6 with a 5.88 ERA in 19 games.
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