John Denver died in a plane crash on October 12, 1997 at age 53.
Plane Crash = 97
Vesica Piscis = 53 (shape of football)

He died a span of 107 days before the Denver Broncos won the Super Bowl.
Ritual Sacrifice = 107

The Broncos were 6-0 prior to his death, and then they fell to 6-1.
John = 61