Sports and Activities Baseball Record Book Back to All Baseball Categories Baseball Records Earned Run Average Earned Run Average, Season RankStudentSchoolYear ERIPGERA 1La Plata 200968716.483 2New Franklin 20041213821.609 3Helias Catholic19771414420.681 4Hume19894406.700 5La Plata 20101310920.835 6Walnut Grove20071713521.881 7Plato20041914422.924 8Platte County20012115724.936 9Aurora 20173021832.963 10Clearwater201025167281.048 11Plato200523151261.066 12Marion C. Early202134158241.506 13Southern Boone202152240361.517 14Southern Boone202037161.1261.605 15Festus202359222331.860 Share to Facebook Share to Twitter Back to All Baseball Categories