Champions sports bar in the Copley Marriott has a decent selection of gluten free options. They have a separate menu noting gluten free options and what menu items can be modified to be gluten free. Got the shrimp and avocado lettuce wraps which we're excellent and the nachos (minus the cheese sauce, which isn't gluten free). The gluten free menu also lists certain sandwiches that can be requested to be made without bread or you can request gluten free bread. I'll definitely be back to try out a sandwich. It's great to have options at a place with the sports bar atmosphere.