Cornell displaced Clarkson (10-4), which played the victim in the upset of the year Saturday night. Vermont (1-12 entering the contest) took the Golden Knights, 3-1, in Potsdam.
The shocker came after Clarkson fell to RPI, 7-4, the night before Keep in mind, that the only team Vermont had beaten before was winless Army.
The Cadets meanwhile, free from their once-around Division I schedule, have upped their overall mark to 12-12, after stumbling to an 0-11 ECAC record.
MacDonald was the only Harvard player named to the ECAC Honor Roll this week. The freshman was chosen for his hat trick and assist in Harvard's 7-1 win over Dartmouth.
If the ECAC playoffs started today, the matchups would be Princeton at RPI, Colgate at Harvard, St. Lawrence at Cornell and Yale at Clarkson.
The Hockey Notebook appears every Thursday in The Harvard Crimson