April 4, 2016 by: Dacia Daly45% Off ’47 MLB Shirts, Hats, and Socks = Highly Rated Adult Adjustable Baseball Cap Only $12.99 (Reg. $19.99!) For a limited time you can snag up to 45% off ’47 MLB Shirts, Hats, and Socks! One nice deal we spotted is this MLB ’47 Clean Up Adjustable Baseball Cap, Adult only $12.99 (reg. $19.99!) – available in options for all 30 teams! Even better, get free shipping on any order of $49 or more OR snag FREE 2-day shipping with Amazon Prime.