FC Amsterdam Born and raised in
Jordaan, in
Amsterdam, he eventually began his career playing for
FC Amsterdam in 1974 following a period at ASC SDW. He made his debut in professional football on September 15, 1974, when he came on for
Gerard van der Lem in a match against
HFC Haarlem. He played in the
UEFA Cup in his debut season. After victories against
Inter Milan and
Fortuna Düsseldorf, his side were eliminated by
1. FC Köln in the quarter-finals. He finished three seasons with the club 9th, 16th and 15th in the
Eredivisie.
FC Twente He completed a move to
FC Twente, replacing
Arnold Mühren who had recently departed to
Ipswich Town. In the 1978-79 season he played in the sides first leg draw against
Manchester City in the UEFA Cup. In the same season his side were runners up in the
KNVB Cup to Ajax.
Middlesbrough In the summer of 1981, Otto played three friendly games for English side
Middlesbrough, with a view to a permanent transfer. He impressed manager
Bobby Murdoch, joining the club for €261,000 on a two-year contract. He made a scoring debut in the
First Division against
Tottenham Hotspur at
Ayresome Park as his side lost 3–1. That season Otto was joint top scorer with five goals as the club finished 22nd. Otto spent the rest of his time with Middlesbrough in the
Second Division being ever-present in the side between 1982 and 1985. He made 155 consecutive appearances, the fourth longest period in the club's history.
ADO Den Haag In May 1985 he rejected a contract extension with Middlesbrough and returned to the Netherlands to play for
Den Haag. Otto went on to spend seven seasons at Den Haag. In the season he joined,
Den Haag won the
Eerste Divisie. He spent the following two seasons in the Eredivisie, when Den Haag would again be relegated. Following relegation, Den Haag would finish second in the
1988–89 Eerste Divisie season, as Heini finished as the clubs top scorer with 17 goals. He went on to spend the three following seasons in the Eredivisie with the club before retiring July 1992, aged 37, following a match with
Go Ahead Eagles. In his final season, the
1991–92 season, he became the only player to ever score two own goals in one Eredivisie game, in a match against
Feyenoord. ==International career==