1998 Don Mattingly 14K Gold Career Ring New York Yankees MLB Baseball Ltd. Ed1998 Don Mattingly 14K Gold Career Ring A 9 time Gold Glove winner, 6 time All Star and 1985 AL MVP, Donnie Baseball compiled a lifetime batting average of . 307 Although there is a question of how many of these rings were actually produced, the total limited edition number is said to be 307 for this career commemorative ring Engraving inside indicates 14K gold and #31 Keith G. Abel (presumably the person it was originally presented to) Size 12. 5