The beginning of September marks an exciting time for big league clubs. For some teams, the race to claim a division crown or a wild card spot intensifies as we head into the final month of the season. For others, like the Athletics, it marks the beginning of the future, as rosters expand 15 slots. This opportunity provides manager Bob Melvin the opportunity to scout the prospects coming up the wire. For a few established veterans, however, it could start the process of replacement. There are certain players who should be keeping track of how their competitors are doing in order to keep a spot in Oakland next year.
September Call-Ups: Worrisome Times
