Henrik Dalsgaard was stretchered off in stoppage time as Brentford were beaten 2-1 by Sheffield Wednesday.
The Dane appeared to be knocked unconscious through the challenge and, after lengthy treatment was stretchered off.
When the game resumed, Neal Maupay hit the post with the final kick of the game as the Bees were beaten.
The west Londoners had taken an early lead when Nico Yennaris' shot somehow squirmed past Kieren Westwood.
The Bees needed to get to half time with the lead intact but Josh Clarke lost the ball by the halfway line.
Gary Hooper broke and, try as Yoann Barbet might, he could not keep the Owls frontman from scoring.
The Bees' resolve was broken midway through the second half as a corner was sliced backwards by Ryan Woods with Ross Wallace on hand to head home.
Try as the Bees might, they were unable to breach the home defence as Wednesday saw out the victory with Dalsgaard's injury making the night go from bad to worse.