Greg Harden, who counseled countless people at the University of Michigan from Tom Brady to Michael Phelps, has died at 75.

If Greg Harden wasn’t at the University of Michigan, I don’t win the Heisman,” former U-M WR and 1991 Heisman winner Desmond Howard said last year.

Greg Harden, the famed Michigan athletic administrator credited for helping Tom Brady’s ascension to stardom, died, the school announced Friday.

Longtime University of Michigan athletic department counselor Greg Harden, once described as the school’s “secret weapon,” has died.

Michigan's athletic director, Warde Manuel, highlighted the extensive impact Harden had, stating, “There is no one better than Greg Harden... I am grateful and lucky to have had him in my life for the past 40 years.” Such sentiments are echoed by many former athletes, illustrating the profound loss felt across the Michigan community.

During today's home game vs. Arkansas State, the Michigan football team will honor Greg Harden, a longtime University of Michigan athletics counselor, who died earlier this week at the age of 75. Two days after Harden's death, the Wolverines will take the field with a special heart-shaped ‘G' sticker on the back of their helmets in honor of Harden.

As Michigan football gets set for kickoff against Arkansas State today, the team are honoring Harden's memory with head coach Sherrone Moore and several players wearing blue T-shirts displaying a maize letter 'G' on the chest. The Wolverines have also added a decal to the back of the iconic winged helmet in honor of Harden.