During the ongoing Ashes series, where England have established a winning 3-0 lead over Australia heading into next week's final Test at The Oval in south London, DRS has been a repeated source of controversy, with Trott himself just one player on the wrong end of a debatable decision.

However, the Warwickshire right-hander told BBC Radio Five's Sportsweek programme on Sunday: "I think the DRS has been good. It's been under pressure and, (under) the scrutiny of an Ashes series, there are a few grey areas that have been shown.