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05/19/09 7:44 PM ET

Detwiler to take hill Saturday for Nats

After strong debut start, left-hander will take on Orioles

WASHINGTON -- The Nationals decided on Tuesday to give left-hander Ross Detwiler another big league start on Saturday night against the Orioles. The news comes a day after Detwiler pitched five quality innings in his fist career start against the Pirates.

After the game, Detwiler was scheduled to be sent down to Triple-A Syracuse for more seasoning, but Nationals manager Manny Acta and acting general manager Mike Rizzo had other plans. There is now a possibility that Detwiler could stay with the club as long as left-hander Scott Olsen is on the disabled list. Olsen is not scheduled to come off the DL until June 1.

"He is starting on Saturday for us," Acta said of Detwiler. "He pitched very well for us last night."

Detwiler has come a long way. During Spring Training, he had a tough time getting batters out, giving up five runs and walking seven batters in 5 1/3 innings in Grapefruit League action. Now, Detwiler has his confidence back and is throwing almost nothing but strikes. The organization liked the fact that he didn't walk a batter on Monday.

"I'm relaxing and not trying to pitch away from contact," Detwiler said. "I'm pitching toward contact earlier in the count."

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