EAST RUTHERFORD, NJ — Eli Manning is standing barefoot at his locker, no one within 10 feet of him. He slowly tucks his light blue button-down shirt into his navy blue suit pants.

After a side-by-side picture of Arch Manning and his uncles, Eli and Peyton ... the former New York Giants quarterback quoted a video of Saquon Barkley deadlifting 585 pounds barefoot on Twitter ...