 In this capacity, Tay had also returned as head coach twice; first in June 2012, replacing Steven Tan for the rest of the 2012 S.League season.The second time was in the next 2013 S.League season, when Tay replaced Nenad Bacina in late May 2013 until the end of the season.On both occasions, Tay guided the Stags to win the league.