Dave Allen is the ex-supply teacher turned boxer who overcame gambling addiction to become heroic fans’ favourite

DAVE ALLEN has lived several lives, from supply school teacher to gambling addict and now, thankfully, a beloved boxing star.

Allen started as an amateur aged 16 and had just ten bouts before turning professional in 2012 – snubbing the chance to join the GB Squad.

First Round TVDave Allen opened up on his gambling addiction, which he has bravely overcome[/caption]

He was 20 when he made his debut but only three years later Allen had only fought seven times and was in need of cash.