Oh, I am not.
4 seconds sound clip from the Batty Baseball (Tex Avery, 1944) movie soundboard.
You can hear this line at 00:05:43 in the Blu-ray version of the movie.
Quote context
[...]
- Uh-oh, looks like they're gonna warm up a new pitcher.
- Oh, I got it! Oh, I got it! Oh, I...
- The umpire's blind! The umpire's blind!
- Let's strike down the whole crew, boy. That's the old stuff. That's the old stuff. (3)
- We will now observe, one minute of silence.
- Once upon a time there were three little pigs.
[...]