In a battle of two top teams, McDonogh defeated Loyola, 12-7, May 1. The Eagles improved to 12-4, while the Dons fell to 13-4.
Calvert Hall (13-3) lost to Boys' Latin and McDonogh in April but is on a four-game winning streak entering its matchup against Loyola May 8.
Glenelg, Hereford and Severna Park have used early-season defeats as building blocks for possible MPSSAA playoff runs.