And, as the former Liverpool, Hamburg, Southampton, Newcastle United and England player reveals, the unit has been a long time in the development pipeline.

BBC: Kevin Keegan launches football training systems

Venables receives the full attention of the News of the World , which reveals the ex-England boss is still in "turmoil" over his future.

BBC: SPORT | The back pages

Montella also reveals that he was once a target for current England manager Sven-Goran Eriksson who had hoped to pair him alongside Christian Vieri when he was in charge of Lazio.

BBC: Montella comes to the fore