keywords: yankees sox sheffield martinez rout
text: Yanks Rout BoSox 11-1, Extending AL Lead NEW YORK - Gary Sheffield and the New York Yankees battered Pedro Martinez, opening some breathing room in the AL East. Sheffield, Derek Jeter and Jorge Posada homered off an ineffective Martinez, and Mike Mussina gave the Yankees another excellent outing Sunday in New York's 11-1 rout of the Boston Red Sox...