Jim Miller was an overlooked, good cog in Oakland's bullpen last year following a season with Colorado and Colorado Springs. Miller is now with the Yankees, and this season's model is Mike Ekstrom. Ekstrom also comes from the Rockies' organization as a minor-league signee. His numbers at Colorado Spring - a hitters' park where the ball flies - were sensational. He was 2-0 with a 2.20 ERA in 21 appearances at home. Overall for Colorado Springs, he was 3-1 with a 2.53 ERA and did not allow a homer in 57 innings. Here are the key stats: He struck out 57 and walked 14. "It's tough. It's like walking on eggshells a lot," the right-hander said of pitching at Colorado Springs. "They put in a humidor, and it helped a little bit, but you still have to hit your spots, locate very well there. I did a good job of that."