In an alternate ending, Kelly is safe at home instead of out. Test audiences preferred the ending with him out, as it would've been too much of a happy ending for the underdog Bears.
Featured an unusual crossover of product placement for Denny's, Pizza Hut, and McDonald's. All three are family oriented restaurants serving convenience foods, and largely in competition with each other.
On picture day, Buttermaker has his arms crossed trying to hide his beer. He then has his arms uncrossed as the photographer snaps the picture. When the camera cuts back, he is again standing in the original pose, with arms crossed trying to hide the beer.
When Rudi Stein is first asked by Buttermaker to let himself get hit by a pitch, he is following Kelly Leak in the batting order (Kelly had just been walked intentionally). When he's asked the second time, he's following Ahmad in the batting order.