MONMOUTH, Ill. – Grinnell College’s softball team kept up its recent momentum Monday on a day when the Pioneers’ senior pitchers established program records. Christin Hartman ’24 led Grinnell to a 10-0 victory over Monmouth College in Monday’s opener, her school-record eighth career shutout. In the second game, an 18-0 decision, Kathryn Vermeulen ’24 collected her GC-record 33rd career victory. Grinnell stretched its winning streak to six games, outscoring its foes 91-1 in that span. Grinnell remained entrenched among the Midwest Conference leaders with the victories, improving to 8-2 in league play and 19-13 overall. The Fighting Scots dipped to…