Here's a couple of examples - the first one is what I found in the pantry, the second from a search - just look for things such as buffalo wing seasoning, hot wing seasoning, spicy wing seasoning, etc. There's a number of similar products, and I think any of them would be great.
Some of these products are a marinade mix - when we've got those, I just use the packets as a rub, instead of mixing with water per the instructions.
You are right these would be great for sports game snacks - there's not a lot of prep-time, drumsticks aren't too expensive, and are very forgiving to cook. For big family gatherings I've filled up the whole grill surface with them. They make a great snack, or a meal.