I just discovered that Jennifer Walters, aka She-Hulk, knew about the obscure battle between Sasquatch and The Champion, depicted in the Marvel 2 in 1 annual #7, published in 1982. Sasquatch fought an interdimensional being called, "The Champion" in a staged boxing match and unfortunately lost. Don't feel bad... Namor, Wonder Man, Thor, Colossus and The Hulk (!!?!?!) also lost. She-Hulk revisits this arena in issue #8 of her series and makes a nice reference to the unfortunate events of over 20 years ago:
Well, it appears as if someone has done their research for that panel!!! I find it curious that Jennifer mentioned only Sasquatch, Colossus and Wonderman and not Thor nor Namor nor The Hulk, who are all obviously more famous characters.
Love,
rplass