George Washington
Premiership Player
Running the tan twice makes perfect sense. You go hard for ~15 minutes, rest, do some sprints, rest, do the tan again. Kinda simulates match day don't you think? With the luxury of being able to focus on form and technique.
To be a good footballer I'd rather train like a good footballer, than to take the easiest training regime I've ever seen off some old man who gets angry when people don't agree with what he's posted online. All the best.
Have you done any serious intervals before?