An important member of the Trojan family passed away last week.

Ryan Davidson had been battling cancer for 9 and 1/2 years. He lost the battle on his 16th birthday, but will be remembered around USC for winning everybody’s heart.

For the past four seasons, Davidson would visit USC’s locker room even though he lived in Wisconsin. He served as an honorary team captain and developed a close relationship with several players, notably Matt Leinart — who would later host the Davidson family at Phoenix Cardinal games and at his home in Arizona.

Throughout his entire battle, Davidson maintained a positive and upbeat attitude that was downright contagious. He was an inspiration to players and coaches for his spirit, not simply in fighting his own illness but because he reached out to help others in his situation. He set out to raise $15,000 for the American Cancer Society, but more than doubled his goal.

In lieu of flowers, the family has asked that contributions be made to one of his favorite organizations: the American Cancer Society, the Make-A-Wish Foundation, or the Matt Leinart Foundation.

The following video was shot during Davidson’s last visit to USC:

— Adam Rose