RetD, the percentage of games played by defensemen last season for returning players divided by those of all defensemen, is our best guess for a defensive indicator:
Team Ret All RetD St. Lawrence 199 199 1.000 RPI 205 240 .854 Union 142 171 .830 Yale 120 168 .714 Dartmouth 110 155 .710 Harvard 129 182 .709 Brown 132 192 .688 Clarkson 150 222 .676 Colgate 155 240 .646 Vermont 130 210 .619 Princeton 134 217 .618