The EFL Trophy, currently known as the Bristol Street Motors Trophy for sponsorship reasons, is an annual English association football knockout competition open to all clubs in levels three and four of the English football pyramid (EFL League One and EFL League Two), with the addition of 16 under-21 teams from Premier League and EFL Championship clubs since the 2016–17 season. The competition was first introduced in 1983 and was originally known as the Freight Rover Trophy. It was later renamed the Football League Trophy in 1992 after a reorganization following the formation of the Premier League and again as the current EFL Trophy in 2016 due to The Football League changing its name to the English Football League.

The EFL Trophy is a midweek knockout cup competition that includes clubs from EFL League One and League Two, plus an additional 16 invited sides from Premier League Category One clubs since 2016/17. The teams are split into 16 regional groups of four teams, of which the top two will progress to the knockout stages, with the final staged at Wembley Stadium. Academy teams must start at least six players aged 21 or under as at 30 June of the current season, and those teams can only include two players over the age of 21 who have made 40 or more senior appearances prior to the current season. The knockout rounds up to the final are one-off matches decided by penalties if they are level after 90 minutes, and the final will go to extra-time and possibly penalties if level after 90 minutes.

Bristol City is the most successful side in the competition, winning it three times (1985/86, 2002/03, 2014/15) . The EFL Trophy Player of the Round competition gives fans the opportunity to vote for the player they feel starred in each round of the competition.