Last year Pro Debut introduced an insert set of manufactured patches of different minor league mascots. The same set is in this year's Pro Debut also.
Last year, Ozzie the Cougar from the Cubs low A Kane County Cougars made the checklist.
Not only is he warm and fuzzy, but he's numbered too. Last season the mascot patches were /120. This year they are a bit harder to come by as they are only /99.