Loup needed quick scores after the break but instead CJ McGourty kicked another superb free won by the impressive Niblock.
BBC: St Gall's 0-16 0-5 Loup
2.
However, Antrim were not to be denied as Kevin Niblock calmed the nerves with a score from play and Cunningham added another free.
BBC: Antrim 0-13 1-7 Cavan
3.
Loup's frustrations were only increased when Gall's strode downfield to notch a further score from Niblock and CJ McGourty's free then extended the advantage to a whopping 10 points.