Final appearance of the "Out of the Inkwell" end title.
Yank'em Stadium is a pun on Yankee Stadium. And Olive Oyl sounds like a tough gal from NYC in this short!
Wimpy appears, with hamburgers, as the round keeper. Hamburgers were very popular quick bites at the time, as were hot dogs.
Olive Oyl's vintage cabinet radio is inexplicably placed on top of her equally old fashioned wood burning iron stove. Both items were considered state of the art, however, in the 1930s.
The referee bears a slight resemblance to popular cartoon character Barney Google.