Originally Posted by Diomedes
I do chin-ups and upright rows (I am aware this exercise can be dangerous - I only lift to nipple level, maybe a tad lower even, to keep it safe). I find bent-over rows uncomfortable for my back, so I avoid them. Aside from them, deadlifts, but I doubt they're relevant.
Looking a few things up, I'm wondering if it's to do with my elbow positioning. With the close grip I'm forced into, I think my elbows might be at an awkward angle wider than my hands and shoulders.
Chin ups and upright rows aren't going to help your shoulder. It's no surprise you have rotator cuff issues. You need to be moving something in the opposite direction of your bench and you should be doing external rotation exercises, Cuban presses etc. Just make sure you stop benching.