Relieve pain, prevent injury, and increase performance. Get customized mobility coaching developed by Dr. Kelly Starrett.
Have you watched the 14.2 prep videos where Diane& Carl address grip?
Little narrower relative grip.
Narrower grip tightens up the shoulder. It stabilizes for you.
That will address it for this workout, but you’ll still want to get to the bottom of the cause of the pain.
Sounds like having someone look at your shoulder positioning may help.
Are you seeing improvements with the mobility work you are doing?