San Francisco 49ers’ 7 Players Who Should See Their Roles Expand in 2013

With annual roster changeups and overall evolution of personnel, NFL teams are constantly in flux. More often than not, the best teams in the league are the ones that can endure this sort of change and continue winning.

Since their inception in 2011, the personnel tandem of Jim Harbaugh and Trent Baalke has provoked a change in the San Francisco 49ers, having them on a constant state of ascension.

Encouraging a new-look 49ers team, they have reinvigorated the idea of competition, eradicating a lot of Bleacher Report - San Francisco 49ers
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