Jon Rauch at 6'11" is the tallest player in the history of the major leagues. This home jersey #51 is a Cool Base model. Rauch was the only player to wear one. Has ironed on Majestic Authentic Size 52 with Cool Base tag on outside seam. 0063 wash tag that is washed out on inside seam with plus 4 body plus 2 inch sleeve. Jersey shows nice use.