Continuity: When Al and Steve are on the roof of Yankee Stadium, you see Steve throwing his glove down and when the camera angle changes he glove is back in his hands.
Continuity: When Al and Steve are eating in the restaurant in Mexico, the food on Steve's plate keeps on changing positions as the camera angle changes and Steve's not touching it.
Continuity: When the doctor is telling Al her diagnosis, the pencil on the clipboard disappears and reappears as the camera angle changes between her and Al.