I would also suggest cone drills that require keeping one's hips--center of gravity--low while changing direction and sprinting. The distance between the cones can be varied so as to work on endurance. In college we did a short weave for footwork. Sometimes a 3-yard shuttle for explosive, quick footwork. Then, the most brutal, a 150 yard shuttle--25 yardsx6 bet. the cones. We were allowed to rest for 2 mins. then ran it again and they averaged our times.
The cones are some of the best tools for football and conditioning coaches.
Know ye not that your body is the temple of the Holy Ghost which is in you, which ye have of God, and ye are not your own? For ye are bought with a price: therefore glorify God in your body, and in your spirit, which are God's. 1 Corinthians 6:19-20
I beseech you therefore,brethren, by the mercies of God, that ye present your bodies a living sacrifice, holy, acceptable unto God, which is your reasonable service. Romans 12:1