Aiken was selected 17th overall in this year’s draft after going No. 1 overall to the Houston Astros last season. The Astros had concerns with his elbow, though, and a contract agreement could not be reached.
Aiken, 18, then enrolled at IMG Academy and after one appearance needed to undergo Tommy John Surgery. That made his selection in the first round a high-risk, high-reward pick. He has completed his medical evaluation with the Indians and is in Goodyear, Ariz., rehabbing his left elbow.
Details of his contract are still unknown.
Aiken attended Cathedral Catholic High School in San Diego, where he went 7-0 with a 1.