Phelps' list of potential players includes one who's dead. When this is pointed out to her, she rather dismissively says "Well, cross him off the list then!"
When Hayes gets on base to lead off the season, Harry Doyle gives a thumbs up to the press room, who all give a thumbs up back as a sign of optimism for the season. When Hayes is promptly picked off first base, the press room looks at Doyle and all of them make a wanking motion.
When Dorn refuses to accept Lou's punishment of 40 push-ups for every fielding error during training, the prima donna player breaks out his contract to point where it says he's not forced to do any calisthenics. Lou silently tosses the contract to the ground and pisses on it.
Pretty much everything Doyle says announcing the games. "Juuuuuuust a bit outside" is merely the capper.
"Are you trying to say Jesus Christ can't hit a curveball?!"
When the lineup of players gets made, there's a montage of various Clevelanders complaining about the lack of big-name talent, ending with the Japanese-speaking ground crew at the stadium noting "these players are shit." As the team improves and starts threatening to make the postseason, another montage of those same Clevelanders show them celebrating the team they've got... except for the groundskeepers who note "these guys are still shitty." Then, in the crucial tie-breaking game, they finally come round and are seen whooping it up with the rest of the crowd.
When the team nosedives in the second movie, the groundskeepers crop up again: "They're shitty again."