With Giants hiring Joe Judge, here's a deep dive into Bill Belichick's coaching tree11 former assistants and players became head coach before Judge1/7/2020, 8:11 PMSep 22, 2016; Foxborough, MA, USA; New England Patriots head coach Bill Belichick (right) shakes hands with Houston Texans head coach Bill O'Brien after the Patriots 27-0 win over the Texans at Gillette Stadium. Mandatory Credit: Winslow Townson-USA TODAY Sports / Winslow Townson