No. 1 overall pick Casey Mize agreed Monday to a minor league contract with the Detroit Tigers that includes a $7.5 million signing bonus, the highest for any drafted player since 2011. Detroit didn’t go into much detail about its 2018 plan for Mize, but it certainly sounds as if he’ll pitch in the organization at some point soon. “We pretty much know what we’re going to do,” said Scott Pleis, the team’s director of amateur scouting.