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09/02/08 8:38 PM ET

Washburn to miss Friday start

Left-hander out with abdominal issue; Morrow to take turn

ARLINGTON -- Mariners left-hander Jarrod Washburn has been scratched from his scheduled start against the Yankees in Friday night's series opener at Safeco Field.

"Washburn is being backed off a little bit because of his abdominal thing that's going on," manager Jim Riggleman said prior to Tuesday night's game against the Rangers. "I don't know how serious it is. Hopefully, he misses just a turn, but that's a tough area."

The ailment seemed to come out of left field.

The frustrated veteran pitched 6 2/3 scoreless innings against the Indians on Sunday in Cleveland, departing with the Mariners ahead, 1-0. The Mariners lost the lead in the eighth inning, but came back for a 4-3 victory in 10 innings, leaving Washburn with a 5-14 record.

"He pitched his last game and nobody saw anything throwing-wise," Riggleman said.

Washburn's ailment forces a change in the rotation. Right-hander Brandon Morrow makes his MLB starting debut in Friday night's series opener against the Yankees.

"Everything seems to work itself out," Riggleman said. "We were looking at how we were going to do this. We've got two off-days next week, we've got six starters, and we spent an hour in there moving names and dates around. And then we walk out here and Washburn says, 'My abdomen is hurting me and I won't be able to pitch Friday.'"

One of the plans was to use two starters on Saturday -- probably Morrow and Ryan Rowland-Smith. But now, Rowland-Smith will start on Saturday, and right-hander Carlos Silva will go in the series finale on Sunday afternoon.

Jim Street is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.