 He appeared in 29 games in 1983–84 as the Rotterdam club won the league after a 10-year wait, scoring once in a 4–0 win at Fortuna Sittard as the campaign also ended with Dutch Cup conquest.Troost appeared in 397 official matches for Feyenoord, retiring in June 1992 at nearly 33.Later on, he became the club's commercial director.