Many people forget that New York Jets running back Braelon Allen entered the record books during his rookie campaign. Better yet, most forget just how young the kid actually is.
Allen owns the NFL record for the most rushing yards (334) before age 21.
The most rush yards in NFL history before these ages…
What jumps out about this list? ud83eudd14 pic.twitter.com/Ei50Elm2Zz— NFL on CBS ud83cudfc8 (@NFLonCBS) June 19, 2025Allen, 21, was a fourth-round pick in the 2024 NFL draft and played in all 17 games during his rookie season.