Bolton's wage bill was enormous, despite all those "free" transfers.Not many managers would have kept Bolton in and around the top 6 for as long as he did.
He was ahead of the curve on sports science and stats.
Others caught up and overtook him as his tactics were basic at best.
The financial damage to Bolton is still clear and there were a lot and I mean a lot of rumours of serious financial shenanigan's between the late Chairman Phil Gartside and Allardyce.