Head coach Bill Walsh is most closely associated with which team?

Which Patriots receiver, undrafted out of Texas Tech, led the NFL in receptions three times? Head coach Don Shula is most closely associated with which team? Head coach Tom Landry is most closely associated with which team? Head coach Chuck Noll is most closely associated with which team? Head coach Bill Belichick is most closely associated with which team? Head coach Marv Levy is most closely associated with which team? Head coach Joe Gibbs is most closely associated with which team? Head coach Bill Cowher is most closely associated with which team?