Ice it for 10-15 mins, rest, then just potter around taking it real easy and keep repeating. Just resting it will not help must keep regular movement. Then get to see a chiro or oesteopath
Those that seriously believed any of the hype rolled out over the summer have had a bit of a bloody nose yesterday but 1 game does make a season, fully expect certain areas to be addressed.......what gets on my t1ts is just how long we take to do transfers