There’s no better way to surpass your older brother’s legacy than to win things he hasn’t. Peyton never won the XFL. Eli could finally have bragging rights over his older brother when he shows up to Thanksgiving wearing that massive XFL Championship ring.
Eli would be the biggest name in the league too. He could probably still cut it at that level. And if he couldn’t, just hire Dave Gettleman as a consultant to manage how to subtly nudge him out the door.