(FILE PHOTO) In this composite image a comparison has been made between quarterback Joe Flacco of the Baltimore Ravens and quarterback Colin Kaepernick of the San Francisco 49ers. The two quarterbacks... more 
(FILE PHOTO) In this composite image a comparison has been made between quarterback Joe Flacco of the Baltimore Ravens and quarterback Colin Kaepernick of the San Francisco 49ers. The two quarterbacks will lead their teams in next month's Super Bowl XLVII. ***LEFT IMAGE*** BALTIMORE, MD - DECEMBER 24: Joe Flacco #5 of the Baltimore Ravens warms up before the start of the Ravens game against the Cleveland Browns at M&T Bank Stadium on December 24, 2011 in Baltimore, Maryland. (Photo by Rob Carr/Getty Images) ***RIGHT IMAGE*** SAN FRANCISCO, CA - NOVEMBER 11: Quarterback Colin Kaepernick #7 of the San Francisco 49ers warms up before a game against the St. Louis Rams on November 11, 2012 at Candlestick Park in San Francisco, California. The teams tied 24-24 in overtime. (Photo by Brian Bahr/Getty Images) less 
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Getty Images | Photo By Rob Carr / Getty Images
Fri, Jan 25, 2013 11:28 AM EST