COMBO CUTLINE NEED TO FOR PHOTOS OF CARROLL AND BELICHICK FILE - In this Dec. 21, 2014, file photo, New England Patriots head coach Bill Belichick watches from the sideline during the second half of an NFL football game against the New York Jets in East Rutherford, N.J. When the cameras are on, New England coach Bill Belichick is the perfect antidote to insomnia. Seattle's Pete Carroll gets all touchy feely. But for all the differences, each has used his style to build an intense brand of team loyalty. (AP Photo/Julio Cortez, File)
COMBO CUTLINE NEED TO FOR PHOTOS OF CARROLL AND BELICHICK FILE - In this Dec. 21, 2014, file photo, New England Patriots head coach Bill Belichick watches from the sideline during the second half of an NFL football game against the New York Jets in East Rutherford, N.J. When the cameras are on, New England coach Bill Belichick is the perfect antidote to insomnia. Seattle's Pete Carroll gets all touchy feely. But for all the differences, each has used his style to build an intense brand of team loyalty. (AP Photo/Julio Cortez, File) Julio Cortez AP
COMBO CUTLINE NEED TO FOR PHOTOS OF CARROLL AND BELICHICK FILE - In this Dec. 21, 2014, file photo, New England Patriots head coach Bill Belichick watches from the sideline during the second half of an NFL football game against the New York Jets in East Rutherford, N.J. When the cameras are on, New England coach Bill Belichick is the perfect antidote to insomnia. Seattle's Pete Carroll gets all touchy feely. But for all the differences, each has used his style to build an intense brand of team loyalty. (AP Photo/Julio Cortez, File) Julio Cortez AP