Leyton Orient are waiting to discover the extent of the shoulder injury suffered by Kevin Lisbie at Bristol City.
Steve Cotterill insists Bristol City were denied a third straight League One win against Leyton Orient by a refereeing error.
Two well-drilled defences took all the honours at Ashton Gate as Bristol City and Leyton Orient fought out a goalless draw.
Team news for Tuesday's League One clash between Bristol City and Leyton Orient at Ashton Gate.
Leyton Orient boss Russell Slade was delighted to pick up his first points of the campaign after a 3-1 win at Oldham.
Darius Henderson scored one goal and made another as Leyton Orient hit back for a 3-1 victory at Oldham.
Holders Peterborough United will start the defence of the Johnstone's Paint Trophy with a home game against Leyton Orient.
Team news for Saturday's League One clash between Oldham Athletic and Leyton Orient at Boundary Park.