07:49 AM ET 02.28 | For a team that won a title with a mostly veteran-laden roster, the Red Sox enter the 2014 season with some questions about a newer, younger crop -- which is where Jackie Bradley Jr. enters the conversation. The Opening Day job in center field is almost surely Bradley's, and it's certainly his to lose. Still. Unlike Xander Bogaerts, who demonstrated in October that he is capable of thriving on the biggest stage and against top competition, Bradley still has yet to make his case conclusively. ... [What] if he struggles? Even if that's the case, then the Sox are still likely to commit to Bradley for Opening Day ... unless a viable alternative were to emerge. In this case, the only player in camp who represents that alternative would be Grady Sizemore.