The Angels need help in their rotation because of the ongoing struggles of RHPs Dan Haren and Ervin Santana. Greinke, the 2009 AL Cy Young Award winner with the Kansas City Royals, is 9-3 with a 3.44 ERA this season.
Segura, 22, just made his major-league debut on Tuesday. The shortstop is ranked as the Angels’ top prospect and the No. 45 prospect in all of baseball by MLB.com.
Here’s his profile by MLB.com’s Jonathan Mayo.