And here is my Justice League
membership card.
The Big Bang Theory Season 4, Episode 7
Anyway, I've learned my lesson.
She's out of my LEAGUE, I'm done with her.
The Big Bang Theory Season 1, Episode 1
...about a minor LEAGUE engineer
with an unresolved Oedipal complex.
The Big Bang Theory Season 4, Episode 7
All right, the pitcher's mound
in Major League Baseball...
The Big Bang Theory Season 8, Episode 3
So you never played baseball as a kid?
Not even Little League?
The Big Bang Theory Season 8, Episode 3