Conceding poor goals has become a "disease" for Sunderland, according to manager David Moyes.
The Black Cats are back at the bottom of the Premier League table after a 2-0 defeat to West Brom.
Darren Fletcher and Chris Brunt were on target for the Baggies with superb strikes but Moyes felt both goals were avoidable.
"Our overall level of play wasn't so bad, even in the first half, but we are giving away goals and goals change matches," he said.
"We played better in the second half but, and I've...