Kobayashi is the most famous professional eater in the world. Eric Kelly is the most colorful boxing instructor in Brooklyn. They're an unlikely pair whose unlikely bond was cemented this past summer when Kobayashi taught Eric Kelly how to eat hot dogs competitively. Now, Kobayashi steps into EK's world and (attempts to) learn how to box. WATCH NEXT: Inside the Ring: 360º Sparring with MMA Star Paige VanZant: bit.ly/1PpG3cd Subscribe to VICE Sports here: bit.ly/Subscribe-to-VICE-Sports Check out VICE Sports for more: www.vicesports.com Follow VICE Sports here: Facebook: facebook.com/VICESports Twitter: twitter.com/VICESports Instagram: instagram.com/vicesports More videos from the VICE network: www.fb.com/vicevideos