These League One stats have Sunderland manager Phil Parkinson concernedThese League One stats have Sunderland manager Phil Parkinson concerned
These League One stats have Sunderland manager Phil Parkinson concerned

Revealed: The key area that has Phil Parkinson concerned - as Sunderland lag behind Coventry City and Portsmouth

Phil Parkinson admitted he is keen to address Sunderland’s slow starts – and this revealing data shows he has every right to be concerned.

Parkinson’s side were victims of a lacklustre opening once again as they fell to defeat at Coventry – and slow starts have been a recurring theme this season.

We’ve taken a look at how many goals each League One side has conceded in the opening 15 minutes of games this season – and where Sunderland rank compared to their rivals: