Doncaster scored early in the first half and have done the same again in the second, this time it’s Harrison Biggins on target to make it 2-0 against Grimsby.
Bradford have also doubled their lead over Sutton through Scott Banks.
Bristol City have had all of the chances so far - in fact, Watford have not yet registered a shot of any kind yet during this whole match.
The hosts try to break on the counter attack and Mario Gaspar gets booked for pulling back Nahki Wells.
The second half has kicked off late here after the six minutes of injury time in the first.