A look at the trade grades for the Casey Mize deal between the San Diego Padres and Detroit Tigers following Monday's deadline. The San Diego Padres completed one of the boldest pitching upgrades of Monday’s MLB trade deadline, acquiring right-hander Casey Mize and utility player Gage Workman from the Detroit Tigers. Mize gives the Padres another legitimate postseason starter after they also acquired Robbie Ray from the San Francisco Giants. San Diego Padres grade: A+The Padres entered deadline week with a rotation in urgent need of both quality and stability. Detroit Tigers grade: BThe Tigers secured a credible return for a rental starter rather than settling for a compensatory draft pick.