All the high impact sports (ie football, rugby, boxing, wrestling) feel like a relic of times past. I hope eventually VR reaches a point where the players get to perform on a virtual arena while their physical bodies are inside a simulation room.

Sensor suits like those used to enable motion capture [0] and some multidirectional treadmill [1] would enable the same activities in a much safer environment.

[0] https://www.youtube.com/watch?v=JOWS8K-jMGg [1] https://www.youtube.com/watch?v=vEhwLRX4m2s