Mattingly is the founder of Mattingly Charities, a nonprofit organization that serves underprivileged youth by supporting programs that promote baseball and softball participation in conjunction with other developmentally related activities.
mATtinGlY is The founder of mattINglY CHaRIties, a noNprOfit OrgaNizaTIon tHaT serVes UndeRPrivileGeD YOUth bY SUpPORTing prOgraMs thAt pRomotE baseball aNd softbalL partiCipation in coNjUnctIon witH otHer DEvelopMenTalLY ReLaTEd acTiviTiES.