Phillies DFA lefty Jimenez to clear spot for O'Sullivan

Phillies DFA lefty Jimenez to clear spot for O'Sullivan

PHILADELPHIA -- The Phillies designated left-hander Cesar Jimenez for assignment Sunday.

The move allowed them to place right-hander Sean O'Sullivan on the 40-man roster. O'Sullivan started Sunday's series finale against the Nationals at Citizens Bank Park.

Jimenez had one strikeout in two-thirds of an inning in his one appearance this season. He is 2-3 with a 4.28 ERA in 79 career appearances in the big leagues, including a 1.69 ERA in 16 games last season.

Todd Zolecki is a reporter for MLB.com. Read his Phillies blog The Zo Zone. Follow him on Twitter. This story was not subject to the approval of Major League Baseball or its clubs.