There are road works on the M60 updating it to a smart motorway, which is currently resulting in a 50 limit in some sections; it won’t have much of an effect on your journey tomorrow though.
If you’re going from the city centre, I don’t see that this will affect it at all. Tram to Old Trafford...
Sale Water Park is a very good suggestion if driving straight back, as it’s right on the M60 and won’t be badly affected by match traffic. Direct tram to Trafford Bar (which is as close to the football ground as Old Trafford tram station), then for the return get a tram back from Trafford Bar...