Cole Hamels could have just thrown a changeup. In previous years, that's what he would have done, too. But 3 1/2 seasons in the majors have taught him it takes more than a fastball and one of the best changeups in the game to sustain success against hitters who eventually catch on to a two-pitch act. "I need to make guys think more," Hamels said Friday. A few minutes earlier, he had left Joey Gathright's head spinning. Facing the Toronto Blue Jays at Dunedin Stadium in his first Grapefruit League start for the Phillies, Hamels threw an 88-mph first-pitch fastball that showed how much stronger his arm is this spring than last. Then, he got Gathright to swing ...