Spurs boss Tim Sherwood thinks Andre Villas-Boas made a mistake letting Steven Caulker leave the club. The Cardiff City defender left Spurs in the summer after then coach Villas-Boas failed to guarantee the player first-team football.googletag.cmd.push(function() { googletag.display(“div-gpt-ad-1389116196215-0”); });The 22-year-old returns to White Hart Lane this afternoon with the struggling Bluebirds seeking revenge for a last minute loss to Spurs earlier in the season. New Spurs boss Sherwood said he was surprised that Caulker, who has been named in the England squad to face Denmark in the week, was allowed to leave the club. He [Caulker] wanted game time and more than the previous manager would guarantee him, he told Sky Sports. The club decided they would let the player go and they think they had a good deal. It is up to Steven to build on that and prove the club were wrong to let him go. He added: He wanted to go and play. The only thing I could have done is say ‘you will play more football’.”Read more Cardiff City transfer news.