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barrysloateZach, that's a good question and I'm not completely sure why. Last year a complete set of Warren cabinets from 1872, all autographed, were auctioned by Sotheby's and Mastro and Ryan was in that group too. But there is no record of him playing with the team. The only thing I can think of is he was with Boston for a short time but never got into a game, possibly being traded or released rather quickly. However, during his short stay the team may have gone to the studio to have their pictures taken. I have no other explanation for it.