How League One's extended eight-team play-off could work - and who Sunderland would play if the idea is approved

Watch more of our videos on Shots! 
and live on Freeview channel 276
Visit Shots! now
A number of League One clubs are backing plans to decide promotion via an extended play-off competition - but how could this format look?

Sunderland boss Phil Parkinson has publicly voiced his support for the plans, which were put forward by Peterborough United owner Darragh MacAnthony at a meeting of third tier clubs on Friday.

But how would this format work were it adopted, and what do we know so far about these plans?

We take a look: