Flo was another."Flo was bought for the relatively small fee of £300,000 by Chelsea in the summer of 1997. Flo would have become a Bosman at the end of the year, which influenced the small transfer fee. Everton had made a bid of around tenfold, but then Everton manager Joe Royle fell out with his boardroom over the proposed transfer and shortly afterwards resigned."
Then the 1.5 for Dublin which the board wouldn't let Kendall pay.
"Dublin went on to join Coventry, for whom he scored 73 goals in 171 appearances before joining Aston Villa for the then considerable sum of £5.75m"
They just go on and on..