San Francisco 49ers: 10 Things That Must Change in the 2013 Season

The San Francisco 49ers lost to the Baltimore Ravens 34-31 in Super Bowl XLVII. Now that the confetti has been swept away, it's time to look at ways the 49ers can improve for the 2013 season.

The best collection of talent does not always win, as the 49ers found out in New Orleans. Discipline and execution play a big role, as do mistakes and big plays.

In Jim Harbaugh's second season with the 49ers, they got one step farther than last year, when they lost to the Bleacher Report - San Francisco 49ers
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