Dolphins vs. 49ers: Final Report Card, Player Grades for San Francisco

Wowsers. 

Maybe THAT'S why Jim Harbaugh decided to go with Colin Kaepernick as his starting quarterback over Alex Smith.

A read option call on 3rd-and-5 at midfield with 2:10 to go in a 20-13 game turned out to be brilliant as Kaepernick took advantage of Dolphins end Jared Odrick pinching in, turned the corner and had nobody in front of him on a 50-yard touchdown (his second straight game with a 50-yard run) to make it a 27-13 final. 

It's the kind of play that, when the defense guesses wrong, it goes bad for them in a major way. It's the one real arrow Kaepernick has in his quiver over Alex Smith, even more so than his arm strength. 

The great equalizer in Smith's favor, of course, has been h...

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