Cardiff boss Mackay delighted with crucial three points
Peter Whittingham hit the only goal of the game.
"I thought we started really well and put West Brom on the back foot right away. It gave us that momentum," he said.
"I knew at half-time we had to be patient and eventually it would come.
"I'm delighted for the players. It's an important win for us against a team who are around us in the league."
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