At 43:00, Butch, Chuck and Whitey stand together, left to right, at the corner of the boxing ring, but at 43:06 when another camera takes over, their order changes, becoming, left to right, Whitey, Butch and Chuck.
At the Higgins' apartment, Slip toasts Johnny with a glass of clear uncarbonated liquid. Satch says something stupid, prompting Slip to throw the liquid in his face. Satch licks his lips and says (probably ad-lib) "Cream soda," but cream soda is usually reddish-brown, which would look dark in a B&W film.
At 14:01, the shadow of the boom mic softly appears on the wall behind Bunny as it swings closer to her.
It is standard practice (at least nowadays) for police to deliver the news of someone's death to the family. Here, it seems a little strange that reporter Gabe tells Slip he ought to be the one to inform Jimmy's family of his death. Slip readily and somewhat astoundingly agrees.