Mark Allan Hendrickson is an American baseball pitcher who is currently a free agent. Hendrickson is also a former professional basketball player who played as power forward in the National Basketball Association and Continental Basketball Association for four years before becoming a full-time baseball player. He is one of just 12 athletes to play in both MLB and the NBA. Hendrickson is notable for his size, at 6' 9". The only players in Major League Baseball as of 2010 who are taller than Hendrickson are Jon Rauch, at 6'11", and Chris Young, at 6'10". Hendrickson is a groundball pitcher,... with a fastball in the high 80s and a decent 12–6 curveball. Hendrickson also has a 10–4 slider, but his slider only reaches the high 70s to low 80s. Thus, when Hendrickson has success, it is due to control, movement, and location and not power. Hendrickson was a three-sport standout in tennis, basketball, and baseball at Mount Vernon High School in the state of Washington. During his sophomore year, he was a member of the state championship baseball team and the runner-up state basketball team.
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