Speed training advice wanted for footballing teenager?

my son has just recently gone back to playing football after a 2yr break,is there any type of training he can do at home to increase his speed as he as lost a lot of it due to his time off,the training he is getting with his team do not work on speed as most of them are older guys who play just for fun mainly,sensible answers please.Speed training advice wanted for footballing teenager?
Two ideal activities for speed... Running with a tire dragging behind busrting into sprinting, if you don't have the space or a suitable item to drag.... hill running, same idea, run down the hill turn around and power sprint up it as hard and fast as possible. Do this 4-5 nights a week you'll be faster than lightning (assuming a good overall fitness). Hope this helps.Speed training advice wanted for footballing teenager?
Just run. You could also use a treadmill or excercize bike.
shuttle runs are the best





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say the spots are cones you run to the first one and back then the second one and back and so on until you do them all and are back to where you started time it and try to beat it the next to time you do it, it helped me alot.