For every sport, you need to have an overall balanced body. That cannot be achieved by hitting the gym regularly, as you have to practice your sport as much as you can. It will shape you up nicely, and you will be in a position to play at the highest level.
Eat healthy food
A good physique depends on your eating habits. You cannot eat all the junk food and expect to have a perfectly toned body. Therefore, try eating healthy stuff, which improves your stamina and strength.
Drink plenty of water
Other than eating healthy food, drinking water also keeps your body fresh. So, make sure that you drink eight glasses of water every day.
Do running drills
Finally, you will need to do a lot of running in order to keep your stamina good. It is the best form of exercise, and is way better than going to the gym