By KRISTIE RIEKEN, AP Sports Writer
KISSIMMEE, Fla. (AP) — Jon Singleton is considered the top first base prospect in baseball and one of the players expected to help the Houston Astros back to respectability after three straight 100-loss seasons.
The 22-year-old Singleton is playing in major league exhibition games this spring. He's made it this far after battling an addiction to marijuana that got him suspended and sent him to an inpatient rehabilitation center.
Singleton tells The Associated Press that he's working to avoid the problems that threatened to derail his promising future.
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