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49ers: Predicting the Biggest Surprises/Breakout Stars on Offense/Defense

Matt MillerNFL Draft Lead WriterJune 12, 2012

The San Francisco 49ers are legitimate Super Bowl contenders for the first time in almost 15 years, after their surprising run to the NFC Championship Game in 2011. But what the 49ers need to overcome the hump is a breakout year on both sides of the ball.

Who can we expect a breakout year from on both offense and defense in San Francisco? Will it be a rookie, like last year's phenom, Aldon Smith? How about another improbable year from an otherwise forgotten veteran, like the season Alex Smith posted in 2011?

Jim Harbaugh's team is on the cusp of greatness. Who will break out this year to get them there? 

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