Photo by Minnesota Twins By Robert Dominguez He's got a World Series ring and a permanent place in Cooperstown, but someday soon Ivan Rodriguez may add another baseball rarity to his résumé: Getting to see his progeny play in the Major Leagues. Rodriguez, whose 21-year career as one of baseball's best-ever backstops recently made him a first-ballot Hall of Famer, is also the proud papa of Dereck Rodriguez, a 24-year-old prospect with the Minnesota Twins currently playing in the Caribbean Series for the Puerto Rican team. As a pitcher. The elder Rodriguez apparently doesn't mind what position Dereck plays as