The Black Cats suffered a 1-0 defeat to West Brom away from home at The Hawthorns in the Premier League on Saturday afternoon.
Saido Berahino’s goal in the second half proved to be the difference between the two sides.
“I thought we defended very well, which in the past, before I came here, was the biggest weakness in the team,” Allardyce told Sunderland’s official website.
“I thought we didn’t look like conceding a goal. But unfortunately in the second half we’ve had a very valuable point taken away from us.”
Sunderland’s biggest problem this season has indeed been their defence, and the fact that they conceded just once against West Brom away from home suggests that at the back they were better.
The Baggies created only five chances over the course of the 90 minutes, and that is certainly an improvement.
The Black Cats are at the foot of the Premier League table at the moment with just three points from nine matches.
Sunderland’s next game is against Newcastle United at the Stadium of Light in the league on Sunday.