Whereabouts of Red Sox ball uncertain

The last ball from Boston’s 2007 World Series victory might not get back to the Red Sox after all. Jason Varitek caught the final strikeout Sunday night to complete a four-game sweep of Colorado, then tucked the ball in his back pocket as he ran to the mound to celebrate. Varitek said after the game that he’d give the ball to the team, but on Wednesday he said he gave it to closer Jonathan…