I'll Guess Paul Stewart (Liverpool, Manchester City, Spurs, Crystal Palace, Sunderland)
Yes - he played for Manchester City in 1994-1995 and played in at least one Manchester Derby (the 5-0 defeat to Man Utd in 1994). He's also played in the Merseyside Derby, the North London Derby and a Luton Town - Watford derby.
Andrei Kanchelskis Andrei Kanchelskis
Andrei Kanchelskis, for Man Utd, Everton and Rangers.
Robbie Keane has played in both the Mancheter-Merseyside derby (LIVERPOOL vs Manchester United) and the north-london derby (TOTTENHAM HOTSPUR vs Arsenal)