 He then made his league debut for the club, starting the whole game, in a 1–0 win over Utrecht in the opening game of the season.After scoring two goals against Heracles Almelo and PEC Zwolle, Immers then scored a hat–trick on 29 September 2012, in a 5–1 win over NEC, just three days after scoring in the KNVB Cup, in a 3–2 win.After scoring five more goals by the end of 2012, Immers, however, faced with goal drought, as he have been missing penalties and was sidelined from the first team on two occasions.