AP Sports Writer
SAN FRANCISCO (AP) -- Aldon Smith's high-flying defense gave Colin Kaepernick all kinds of extra chances in his first career NFL start.
And the Kaepernick looked little like a backup in delivering on nearly every one of those opportunities under the lights on football's big stage.
The strong-armed Kaepernick passed for 243 yards and two touchdowns in place of the injured Alex Smith, Aldon Smith had 5
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