Po zakończeniu sezonu 2004 Spencer zakończył piłkarską karierę.
Sezon Klub Kraj Rozgrywki Mecze Bramki 1988/89 Rangers F.C.
Premier League 0 0 1988/89 Greenock Morton F.C.
Division One 4 1 1989/90 Rangers F.C.
Premier League 0 0 1990/91 Rangers F.C.
Premier League 5 1 1991/92 Rangers F.C.
Premier League 8 1 1992/93 Chelsea F.C.
Premiership 23 7 1993/94 Chelsea F.C.
Premiership 19 5 1994/95 Chelsea F.C.
Premiership 29 11 1995/96 Chelsea F.C.
Premiership 28 13 1996/97 Chelsea F.C.
Premiership 4 0 1996/97 Queens Park Rangers
Division One 25 17 1997/98 Queens Park Rangers
Division One 23 5 1997/98 Everton F.C.
Premiership 6 0 1998/99 Everton F.C.
Premiership 3 0 1998/99 Motherwell F.C.
Premier League 21 7 1999/00 Motherwell F.C.
Premier League 33 11 2000/01 Motherwell F.C.
Premier League 17 2 2001 Colorado Rapids
Major League Soccer 23 14 2002 Colorado Rapids
Major League Soccer 16 5 2003 Colorado Rapids
Major League Soccer 27 14 2004 Colorado Rapids
Major League Soccer 22 4