e.g.
Chiyonofuji: sumo wrestler with low body fat
Mike Tyson: heavyweight boxer who is short
Fedor Emelianenko always looked frumpy compared to everyone he fought. That was the last thing most people thought before they woke up from hard reboot anyway.
There was a lot of chatter when the Seattle Seahawks drafted Russell Wilson about how he was too short to throw over the linemen. In his second year as a quarterback he led the Seahawks to their first ever Super Bowl victory, and led them to another appearance and almost a second victory the following year.
I found this kinda clickbaity article with some examples: https://web.archive.org/web/20200308145022/https://globalsportmatters.com/science/2020/01/16/too-tall-too-short-too-big-athletes-breaking-body-stereotypes/