Forber started his professional rugby league career with
St Helens, signing for the club in May 1981. He made his first team debut a year later against
Australia during the
1982 Kangaroo tour. He established a regular place in the first team during the
1984–85 season, and played for the club in the
1985 Premiership final, appearing as a substitute in the 36–16 win against
Hull Kingston Rovers. The following season, he represented
Lancashire in a "War of the Roses" match against
Yorkshire. He was a non-playing substitute in the
1987 Challenge Cup final defeat against
Halifax. He played at in the
1987–88 John Player Special Trophy victory over
Leeds. He also played in the
1989 Challenge Cup final, but was again on the losing side, this time against
Wigan. Forber missed most of the
1990–91 season due to injury, but returned the following season to help Saints win the
1991–92 Lancashire Cup against
Rochdale Hornets. In January 1993, Forber was signed by
Salford for a fee of £25,000. He was released at the end of the 1998 season, and joined
Workington Town. In 2023, Forber was inducted into the St Helens Hall of Fame. ==References==