Play a low impact sport soccer, basketball, track, take a job as a basketball ref at your local recreation league. Make a workout schedule, get teamates involved you probably know your own answer ? remember why football doesn't go year round? nobody would be left to play!

i play o line for my high school every year our oline coach gets us together and we run 10 40s 6 30s and 15 10s on monday and wednesday we run 2 mile and friday we run sprints again we do that all off season i stay in shape pretty good for next season you could try it out its works for me

workout, do wrestling, run hills, eat good,

hills ankle weights

Well i play hb also just high step alot and run track or somthing and do sit ups to keep ur ab musles!

Do a lot of body weight exercises, eat healthy (lots of green veggies), and get about 30 35 min of cardio 3-4 days out of the week, and get plenty of rest.

jog everyday and practice

If you want to be like Ray Lewis, wrestle. It teaches alot of techniques which you use on the football field.