Jersey Number This authentic jersey will have the number 33 on it. This is the number worn by Eddie Murray with the 1983 Baltimore Orioles. Please note: the player's name is not on the jersey. Quality Construction Authentic Materials. Accurate detailing. Exceptional workmanship. These are the hallmarks of Mitchell & Ness's shirts, jackets, sweaters and felt pennants. The wool flannel shirts are constructed of a lightweight wool blend predominant in the late 60's. The 70's and 80's knit jerseys are made of fabrics identical to the originals.