Mayor of Boston Marty Walsh introduces New England Patriots owner Robert Kraft and Quarterback Tom Brady during the New England Patriots Send-Off Rally at City Hall Plaza on January 26, 2015 in Boston, Massachusetts. (Photo by Maddie Meyer/Getty Images)
New England Patriots Super Bowl XLIX Send-Off Rally
New England Patriots head coach Bill Belichick embraces Patriots owner Robert Kraft while quarterback Tom Brady looks on during the New England Patriots Send-Off Rally at City Hall Plaza on January 26, 2015 in Boston, Massachusetts. The Patriots will face the Seattle Seahawks in Superbowl XLIX on Sunday. (Photo by Maddie Meyer/Getty Images)
New England Patriots Super Bowl XLIX Send-Off Rally
Fans attend the New England Patriots Send-Off Rally at City Hall Plaza on January 26, 2015 in Boston, Massachusetts. (Photo by Maddie Meyer/Getty Images)
New England Patriots Super Bowl XLIX Send-Off Rally
New England Patriots quarterback Tom Brady addresses fans with fellow captains Dan Connolly, Vince Wilfork, Devin McCourty, and Matthew Slater during the New England Patriots Send-Off Rally at City Hall Plaza on January 26, 2015 in Boston, Massachusetts. (Photo by Maddie Meyer/Getty Images)
New England Patriots Super Bowl XLIX Send-Off Rally
A fan holds a sign in support of the Patriots during the New England Patriots Send-Off Rally at City Hall Plaza on January 26, 2015 in Boston, Massachusetts. (Photo by Maddie Meyer/Getty Images)
New England Patriots Send-Off Rally
New England Patriots quarterback Tom Brady addresses fans with fellow captains Dan Connolly, Vince Wilfork, Devin McCourty, and Matthew Slater during the New England Patriots Send-Off Rally at City Hall Plaza on January 26, 2015 in Boston, Massachusetts. (Photo by Maddie Meyer/Getty Images)
New England Patriots Super Bowl XLIX Send-Off Rally
A fan holds a sign in support of the Patriots during the New England Patriots Send-Off Rally at City Hall Plaza on January 26, 2015 in Boston, Massachusetts. (Photo by Maddie Meyer/Getty Images)
New England Patriots Super Bowl XLIX Send-Off Rally
Fans attend the New England Patriots Send-Off Rally at City Hall Plaza on January 26, 2015 in Boston, Massachusetts. (Photo by Maddie Meyer/Getty Images)
New England Patriots Super Bowl XLIX Send-Off Rally
Fans cheer during the New England Patriots Send-Off Rally at City Hall Plaza on January 26, 2015 in Boston, Massachusetts. (Photo by Maddie Meyer/Getty Images)
New England Patriots Super Bowl XLIX Send-Off Rally
A fan holds a sign referencing "deflate-gate," the under inflation of footballs used by the Patriots during the AFC Championship game, during the New England Patriots Send-Off Rally at City Hall Plaza on January 26, 2015 in Boston, Massachusetts. (Photo by Maddie Meyer/Getty Images)
