The 2017 season was the first in a change of the League of Ireland layout, meaning the bottom three teams in the Premier Division would be relegated in order to make the league a 10-team division rather than a 12-team one. The season turned out to be a struggle for the Saints and they sat bottom of the table come the halfway point. The mid-season signings including fan favourite Killian Brennan, former Premier League midfielder Owen Garvan and particularly Dutch centre back Jordi Balk, proved to be pivotal as the club went on to win 6 of their last 11 games after picking up just 3 wins in their first 21 games of the season. They went into the last day of the season in need of a point away to Derry City, which they earned via a 1–1 draw with a goal from Killian Brennan keeping their record of never having been relegated intact.