Yilber Diaz is a right-handed pitcher with a fastball reaching 96 mph. His command has been inconsistent, but he possesses the tools to become a valuable rotation piece for the Diamondbacks if he can improve his control.

Yilber Diaz has performed significantly better when catching with Jose Herrera, achieving a 0.71 ERA over 12.1 innings. In contrast, his ERA rises to 6.94 with Gabriel Moreno and sits at 4.50 with Adrian Del Castillo. This disparity indicates that Diaz may benefit from a more consistent catching arrangement, particularly with Herrera, as his performance fluctuates dramatically based on the catcher behind the plate.

Yilber Diaz had a tough outing, allowing seven runs and nine hits in three-plus innings for the Arizona Diamondbacks against the Kansas City Royals.

Yilber Diaz from the Arizona Diamondbacks is listed as a streaming starter option for the upcoming week.

Yilber Diaz, a rising pitcher for the Arizona Diamondbacks, has shown impressive performance in his first two major league starts, quickly surpassing "stash" territory with excellent command and two straight quality starts. With key players on the injured list, Diaz may continue to earn opportunities in the rotation and is proving to be a valuable asset for fantasy baseball managers.