Troy Tulowitzki and Carlos Gonzalez signed huge contract extensions with the Rockies four years ago, but the duo has struggled to remain healthy and Colorado has struggled to contend.
Jarred Cosart was "caught off guard" by the firestorm surrounding his alleged sports gambling activities and is cooperating fully with a Major League Baseball investigation.
Alex Rodriguez is subject to increased drug testing by Major League Baseball as a result of his 162-game suspension for using performance-enhancing drugs.
Kris Bryant has played third base and was the designated hitter while limited because of fatigue in his right shoulder in Cactus League games this spring.
The right-hander, acquired from the Athletics in a December trade, will replace Chris Sale, who has been scratched from the honor because of a fractured bone in his right foot.
Alex Rodriguez was a mystery entering camp this spring having played just 44 games for the Yankees over the last two seasons due to injury and suspension.