The Lehigh men and women both fell to American on Wednesday, while Lafayette's women beat Loyola at home.
Lehigh's men fell to league unbeaten American 65-63, their fourth loss in five league games, all of those by 4 points or fewer. Mackey McKnight led Lehigh with 23 points and 10 assists in the loss.
Lehigh's women also fell on the road at American, losing 70-61.
Lafayette's women pushed their winning streak in the league to 2 straight with a 65-53 victory over Loyola. Emily Homan led the Leopards with 11 points as they improved to 2-3 in Patriot League play.