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No. 47, KEVIN McDERMOTT, LS
The closest roster battle? If you believe 49ers coach Jim Harbaugh, it's at long snapper, where McDermott, a rookie, is trying to unseat 13-year veteran Brian Jennings. Jennings (pictured above) took the first snap Sunday against Minnesota; McDermott handled the rest, and not a single one was out of place.