Which exercises could reduce shoulder pain during bench pressing?

Shoulder pain. While weightlifting could be from the acromioclavicular joint, the rotator cuff, the glenohumeral joint or a combination of all three. First proper mechanics are needed. Second one must make certain that there not any underlying issues. Finally often reducing the weight helps. And spending some time strengthening the smaller muscles of the shoulder girdle such as building up rotators and the biceps and triceps and the trapezius.