Liam Cooper has encouraged Jamie Carragher and Gary Neville to watch notorious Leeds training drill 'Murderball', claiming Marcelo Bielsa 'would invite' them down.
Argentine manager Bielsa introduced the now well-known game to training sessions, famous for there being no fouls in a non-stop, all-out, high-octane exercise.
And when asked about it by Sky Sports pundit Carragher after Leeds' 1-1 draw against Newcastle at St James' Park on Friday night, Cooper stated his boss would happily let them come and observe the drill in action.
He said: 'It's usually four segments of five minutes - 'Is that all?