SOUTHAMPTON, June 3 -- Before he comes on to bowl, Kuldeep Yadav doesn't warm up by rotating his arms and shoulders like most bowlers do. Instead, he goes through the motions of his bowling action-the run in, the pivot, the flip of the wrist-and bowls invisible balls at the crowd. Usually fielding by the boundary, Kuldeep walks in alert as a colleague of his bowls to the batsman, and then on his way back to his fielding position, he air-bowls two or even three balls in rapid succession....