Chris Sutton emotionally opens up about his late father's battle with dementia as he breaks down how he forgot to use a pen - as ex-England striker calls for temporary substitutes in football to allow players with head injuries to receive treatment

Chris Sutton has opened up on the devastating impact that dementia had on his father as the Premier League winner called for temporary concussion substitutes to be introduced in football.

Sutton has spearheaded Sportsmail’s campaign for football to do more to tackle dementia, which includes the proper treatment of head injuries during matches.

Sutton's father, Mike, a former professional footballer, died on Boxing Day following a 10-year battle with dementia.

Coming up on #BBCBreakfast former Premier League star, Chris Sutton talks to @sallynugent about his father Mike, who also played football.