what is the best way to improve speed and staminar.for rugby players?

Question

what is the best way to improve speed and staminar.for rugby players?

Answer 1

Full speed susides. and leg weight lifting.

Answer 2

go to the gym as often 1-3 times a week then spend a couple of hours running the hundred metres and 1500 (more than once but u cn have a break)

Answer 3

sprints for speed and hills for stamina

Answer 4

sprint until you die