The NFL's Ridiculous Uniform Policy, Illustrated - Battle Red Blog
Do soccer (football) players tuck their shirt in? - Quora
Why don't footballers tuck in their shirt anymore? - You Boys in
NCAA Bans College Football Players from Wearing 'Crop Top' Jerseys
Are tucked-in football shirts coming back?
Alexis Sanchez, Azpilicueta & Jesus Navas - Players Who Tuck In