New England Patriots fans wait for the start of a parade Tuesday, Feb. 7, 2017, in Boston to celebrate their team's 34-28 win over the Atlanta Falcons in Sunday's NFL Super Bowl 51 football game in Houston. (AP Photo/Charles Krupa)

New England Patriots quarterback Tom Brady hoists the Super Bowl trophy beside Jimmy Garoppolo, left, during a parade Tuesday, Feb. 7, 2017, in Boston to celebrate their 34-28 win over the Atlanta Falcons in Sunday's NFL Super Bowl 51 football game in Houston. (AP Photo/Steven Senne)

New England Patriots quarterbacks Tom Brady and Jimmy Garoppolo, right, wave during a parade Tuesday, Feb. 7, 2017, in Boston to celebrate their 34-28 win over the Atlanta Falcons in Sunday's NFL Super Bowl 51 football game in Houston. (AP Photo/Charles Krupa)

Confetti flies over fans as the New England Patriots parade through downtown Boston, Tuesday, Feb. 7, 2017, to celebrate their 34-28 win over the Atlanta Falcons in Sunday's NFL Super Bowl 51 football game in Houston. (AP Photo/Charles Krupa)

New England Patriots defensive coordinator Matt Patricia holds the Super Bowl trophy, left, as he and coach Bill Belichick wave during a parade Tuesday, Feb. 7, 2017, in Boston to celebrate their 34-28 win over the Atlanta Falcons in Sunday's NFL Super Bowl 51 football game in Houston. (AP Photo/Steven Senne)

New England Patriots quarterbacks Tom Brady and Jimmy Garoppolo wave to fans during a parade Tuesday, Feb. 7, 2017, in Boston to celebrate their 34-28 win over the Atlanta Falcons in Sunday's NFL Super Bowl 51 football game in Houston. (AP Photo/Charles Krupa)

New England Patriots owner Robert Kraft holds the Super Bowl trophy during a parade Tuesday, Feb. 7, 2017, in Boston to celebrate his team's 34-28 win over the Atlanta Falcons in Sunday's NFL Super Bowl 51 football game in Houston. (AP Photo/Steven Senne)

Feb 7, 2017; Boston, MA, USA; The New England Patriots travel down Boylston Street on duck boats during the Super Bowl LI parade. Mandatory Credit: Brian Fluharty-USA TODAY Sports

Feb 7, 2017; Boston, MA, USA; The New England Patriots travel down Boylston Street through Copley Square on duck boats during the Super Bowl LI parade. Mandatory Credit: Brian Fluharty-USA TODAY Sports

Feb 7, 2017; Boston, MA, USA; New England Patriots quarterback Tom Brady hoists the Lombardi Trophy as he rides a duck boat during the Super Bowl LI parade. Mandatory Credit: Stew Milne-USA TODAY Sports

Feb 7, 2017; Boston, MA, USA; Confetti covers the crowds along Boylston Street in Copley Square during the New England Patriots Super Bowl LI parade. Mandatory Credit: Brian Fluharty-USA TODAY Sports

New England Patriots offensive coordinator Josh McDaniels hoists the Super Bowl trophy during a parade Tuesday, Feb. 7, 2017, in Boston to celebrate the team's 34-28 win over the Atlanta Falcons in Sunday's NFL Super Bowl 51 football game in Houston. (AP Photo/Charles Krupa)

New England Patriots tight end Rob Gronkowski, center, points to running back James White alongside running back LeGarrette Blount, left, during a parade Tuesday, Feb. 7, 2017, in Boston to celebrate the team's 34-28 win over the Atlanta Falcons in Sunday's NFL Super Bowl 51 football game in Houston. White's touchdown in overtime sealed the victory. (AP Photo/Steven Senne)

New England Patriots wide receiver Julian Edelman stands high with teammates during a parade Tuesday, Feb. 7, 2017, in Boston to celebrate the team's 34-28 win over the Atlanta Falcons in Sunday's NFL Super Bowl 51 football game in Houston. (AP Photo/Charles Krupa)

New England Patriots linebacker Barkevious Mingo hoists a wrestling belt during a parade Tuesday, Feb. 7, 2017, in Boston to celebrate the team's 34-28 win over the Atlanta Falcons in Sunday's NFL Super Bowl 51 football game in Houston. (AP Photo/Charles Krupa)

New England Patriots running backs James White, front, and LeGarrette Blount, center rear, ride in a parade Tuesday, Feb. 7, 2017, in Boston to celebrate the team's 34-28 win over the Atlanta Falcons in Sunday's NFL Super Bowl 51 football game in Houston. (AP Photo/Charles Krupa)

New England Patriots LeGarrette Blount, left, Dion Lewis, center, and Martellus Bennett wave during a parade Tuesday, Feb. 7, 2017, in Boston to celebrate the team's 34-28 win over the Atlanta Falcons in Sunday's NFL Super Bowl 51 football game in Houston. (AP Photo/Steven Senne)

New England Patriots, from left, LeGarrette Blount, Rob Gronkowski, James White, Dion Lewis, and Martellus Bennett ride in a parade Tuesday, Feb. 7, 2017, in Boston to celebrate the team's 34-28 win over the Atlanta Falcons in Sunday's NFL Super Bowl 51 football game in Houston. (AP Photo/Steven Senne)

New England Patriots quarterback Tom Brady holds a Super Bowl trophy while addressing the crowd along with head coach Bill Belichick, right, during a rally Tuesday, Feb. 7, 2017, in Boston, to celebrate Sunday's 34-28 win over the Atlanta Falcons in the NFL Super Bowl 51 football game in Houston. (AP Photo/Elise Amendola)

New England Patriots punter Ryan Allen, left, and wide receiver Danny Amendola wave to fans during a parade Tuesday, Feb. 7, 2017, in Boston to celebrate the team's 34-28 win over the Atlanta Falcons in Sunday's NFL Super Bowl 51 football game in Houston. (AP Photo/Charles Krupa)

Members of the New England Patriots hold up Super Bowl trophies and gesture to the crowd during a rally Tuesday, Feb. 7, 2017, in Boston to celebrate Sunday's 34-28 win over the Atlanta Falcons in the NFL Super Bowl 51 football game in Houston. (AP Photo/Elise Amendola)

New England Patriots fans attend a rally Tuesday, Feb. 7, 2017, in Boston to celebrate Sunday's 34-28 win over the Atlanta Falcons in the NFL Super Bowl 51 football game in Houston. (Barry Chin /The Boston Globe via AP, Pool)

New England Patriots running back Dion Lewis takes a selfie with head coach Bill Belichick during a rally Tuesday, Feb. 7, 2017, in Boston, to celebrate Sunday's 34-28 win over the Atlanta Falcons in the NFL Super Bowl 51 football game in Houston. (AP Photo/Elise Amendola)

New England Patriots defensive back Eric Rowe holds up a wrestling belt during a rally Tuesday, Feb. 7, 2017, in Boston, to celebrate Sunday's 34-28 win over the Atlanta Falcons in the NFL Super Bowl 51 football game in Houston. (AP Photo/Elise Amendola)

New England Patriots quarterback Jimmy Garoppolo holds a wrestling belt as he addresses the crowd during a rally Tuesday, Feb. 7, 2017, in Boston, to celebrate Sunday's 34-28 win over the Atlanta Falcons in the NFL Super Bowl 51 football game in Houston. (AP Photo/Elise Amendola)

New England Patriots quarterback Tom Brady holds a Super Bowl trophy during a rally Tuesday, Feb. 7, 2017, in Boston, to celebrate Sunday's 34-28 win over the Atlanta Falcons in the NFL Super Bowl 51 football game in Houston. (AP Photo/Elise Amendola)

(L-R) New England Patriots safety Devin McCourty, running back James White, and defensive back Eric Rowe (25) laugh with a Super Bowl trophy during a rally Tuesday, Feb. 7, 2017, in Boston, to celebrate Sunday's 34-28 win over the Atlanta Falcons in the NFL Super Bowl 51 football game in Houston. (AP Photo/Elise Amendola)

New England Patriots head coach Bill Belichick holds up a Super Bowl trophy as he addresses the crowd during a rally Tuesday, Feb. 7, 2017, in Boston, to celebrate Sunday's 34-28 win over the Atlanta Falcons in the NFL Super Bowl 51 football game in Houston. (AP Photo/Elise Amendola)

Tuesday, February 7, 2017: New England Patriots tight end Rob Gronkowski (87) celebrates with a beer during the Patriots Super Bowl LI victory parade held in Boston, Mass. Eric Canha/CSM (Cal Sport Media via AP Images)