There were mixed opinions about the decision by Jim Harbaugh and the 49ers to switch from Alex Smith to Colin Kaepernick as their quarterback. Kaepernick's performance against the Green Bay Packers in the Divisional Round of the NFL Playoffs put any and all of his doubters to rest.

This week for Behind the Mic on Bleacher Report, Boomer Esiason gives his opinion about the impressive young quarterback in San Francisco.

Colin Kaepernick has looked impressive so far, but it may be too early to tell if he can keep this up.

Check out the video to hear how Boomer feels about Kaepernick, and let us know your thoughts about San Francisco's quarterback in the comments section below.