Catherine joins Cardiff City, confirms Mackay French full-back Kevin Theophile-Catherine has joined Premier League side Cardiff on a four-year deal from French Ligue 1 side Rennes. Cardiff boss Malky Mackay said: "He is someone we have tracked and watched for a period of time. He brings defensive strength and solidity to us. Mackay says 6ft Theophile-Catherine, a seventh addition for City's first Premier League campaign, can increase competition for defensive places. "We have to make sure we have cover everywhere and that we have players who are pushing each other," said Mackay. Kevin brings that from a top division in French football.