John Elway was spotted partying alongside several celebrities hours before the golf cart accident that killed his good friend and agent, Jeff Sperbeck ...

Sperbeck, 62, fell off the back of a golf cart driven by Elway that Saturday ... TMZ published photos showing Elway drinking an unknown substance during the day of the tragic fall.

If you’re in Speedway this May for all the festivities around the Indianapolis 500, you might notice two big changes from ...