The injured man was "critical but stable" at Walsall Manor hospital after the brawloutsidethe New Fullbrook pub in Walsall, eight miles from the stadium.
Police were called to the scene an hour before kick-off. Both men were said to have been stabbed.Two coachloads of fans were being questioned by West Midlands police last night. A spokeswoman said it was unclear how the man had died.
There is "needle" between the two sets of fans following the United striker Eric Cantona'sattack on a Crystal Palace supporter during the teams' Premiership game at Selhurst Park, south London, in January.
Match reports, page 32