*Online Rosters* 2008 World Series 2008 Youth FP Worlds Altered Bat Policy Maryland ISA Sponsors Maryland ISA State Office Player Bump List   ISA Umpires Name Email   Dave Clevenger david.clevenger@saic.com Eddie Riddick canes4@aol.com Tim McElroy tim@potomacsports.org If you are interested in working as an umpire for the ISA,  please contact a UIC listed above.