West Bromwich Albion's Gareth Barry will set a new record for Premier League appearances if he takes to the field against Arsenal. Nick Potts / PA
West Bromwich Albion's Gareth Barry will set a new record for Premier League appearances if he takes to the field against Arsenal. Nick Potts / PA

West Brom's Gareth Barry on the cusp of setting new Premier League record: 'I'll know when I've had enough'