Merrimack was awarded penalty kicks just 83 seconds apart within the final 12 minutes, and made Siena Women's Soccer pay on the second attempt, as the Saints suffered a frustrating 1-0 setback in North Andover, Massachusetts.
Siena (5-6-1, 2-2-1) dodged a bullet when an Ella Cormier penalty clanged off the near post and out of danger in the 79
th minute, but the Saints weren't as lucky the second time around. Emma Rogorzenski squeaked in the decisive penalty with just 9:44 remaining to propel Merrimack (5-5-1, 3-2) to its third victory in four matches.
The Warriors controlled first half action to the tune of decisive shot (12-3) and corner kick (5-1) advantages, but freshman
Cate Burns made five of her season-high eight saves in the stanza to preserve the stalemate.
Play evened out in the second half with Siena registering the better opportunities, but the Saints were unable to break through.
Overall, Merrimack held a 20-12 advantage in shots and an 8-3 margin in corners in a physical match featuring 22 combined fouls and five bookings.
Annie Bagnall came off the bench to lead Siena with six shots, while Cormier teed-up five attempts for the Warriors.
Reigning MAAC Defensive Player of the Week Lily Morgan made four saves to record the clean sheet for Merrimack, which captured the first-ever meeting between the new MAAC foes.
The Saints will look to bounce back when they conclude a challenging stretch featuring four of five away from home when they head to Saint Peter's Saturday for a noon kickoff.