If my time-traveler self knew he would save billions of lives discovering a cure for cancer or similar event, sure. Otherwise, seriously???
You really want to stray into that denver darkness known as the Elway Messiah complex?
Just triple his bodyguard budget. Gofundme might work.

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During the 75 season the Chiefs mascot Warpaint would circle the field after a touchdown.
This prompted a great quote from long ago Raiders coach John Madden after the 42-10 loss at Arrowhead.
"We couldn't beat the Chiefs, but we damn near killed their horse."