- Full name Aaron Mardsen
- Born
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Like fellow North Dakotan Darin Erstad, Marsden starred at Nebraska. He was the Big 12 Conference pitcher of the year in 2003, when he also earned academic All-America honors with a 3.95 grade-point average in finance. Marsden's strong suits are his command and plus-plus slider. He has average velocity on his two-seam and four-seam fastballs, which run away from lefthanders. He also throws a changeup with sinking action and a curveball. He's tough on hitters because he's a big lefthander with a deceptive delivery, though there's a bit of effort to it. The Rockies were impressed with how he took a leadership role in the short-season Tri-City clubhouse. He should jump to low Class A in 2004 and could move quickly.