When a professional athlete is the special guest star of a sitcom, it’s almost always a strikeout/fumble/missed shot. Some sports fans might be so charmed by a player’s athletic prowess that they can overlook it, but a swole dude awkwardly waiting for his cue and then reciting a line with a delivery more wooden than a baseball bat is usually unwatchable.

You can find examples of this in almost every long-running sitcom, but these are five of the most egregious…

5 Bill Buckner on ‘Curb Your Enthusiasm’

The most infamous moment of first baseman Bill Buckner’s baseball career was when a ground ball went through his legs during a pivotal moment of the 1986 World Series. That moment became the central joke in an episode of Curb Your Enthusiasm Buckner guest-starred in: He misses a couple of things Larry tosses to him, but at the end, he...