Here are the lineups:
RED SOX (80-51)
Pitching: LHP Jon Lester (13-6, 3.16)
Pitching: RHP Guillermo Moscoso (6-7, 3.28)
Game time: Noon
TV/Radio: NESN / WEEI
LHP Erik Bedard (4-9, 3.57) vs. RHP Graham Godfrey (1-1, 4.24), 5 p.m., NESN WEEI
Notes: The Sox start the day with a one-game lead on the Yankees, who have already had their doubleheader in Baltimore postponed by Hurricane Irene. ... Lester is 2-3, 4.95 in eight career starts against Oakland. He is facing them for the first time this season. ... Moscoso is 3-3, 4.65 in seven starts since being recalled from the minors on July 19. He made two relief appearances against the Red Sox last season. ... Bedard is winless in four starts for the Sox and has a 4.09 ERA. He is facing Oakland for the first time this season. Bedard is 4-3, 2.89 in 10 career starts against the A's, the last coming in 2009. ... Godfrey is being called up from Class AAA Sacramento for the game. He was with the A's in June for three starts. ... Ortiz has hit safely in 10 straight at 19 of 38 with four home runs. … The Sox are 4-2 against the A's this season.
Stat of the Day: Ellsbury has reached base safely in 32 of his last 35 games since July 18. He is hitting .320 in that stretch with 10 homers and 30 RBIs.
Song of the Day: "Hurricane" by Bob Dylan.