Frank's fastball sits in the low 90s, occasionally touching 95 mph. He also throws a solid slider, giving him a good two-pitch mix. His uncle, Dennis, pitched in the Cardinals' organization.
The 6-foot, 175-pound Frank is undersized for a right-hander, limiting his upside. But his stuff, command and aggressive approach on the mound gives him a chance for a role in a Major League bullpen.
Mark Emery is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.