Who says Josh Beckett has lost a little off his fastball? Despite reports based upon statistical studies detailing the decline of his velocity from 94.7 miles per hour his season year with the Red Sox in 2006 to 91.5 this season, Beckett proved he still had a little gas left in his tank by celebrating his 32d birthday with a 5-0 victory over the Seattle Mariners Tuesday at Fenway Park.