Mizuno MVP Prime GMVP1201P 12 inch Baseball Glove. Mizuno MVP Prime Baseball Glove GMVP1201P Features. Center pocket design patterns. Smooth, professional style oil soft plus leather. Perfect balance of oiled softness for exceptional feel and firm control that serious players demand. Durable Steer Soft Palm liner. Outlined embroidered logo. 12 inch Pitcher Pattern. Tartan web.