Looking at it in monetary terms

Heaton and Arfield came free so we’re they buys or signings?

Using Transfermarkt figures

Heaton now valued @£4m
Arfield valued at £3m

Buys
Keane cost £2.5m sold for £25m and valued at £16m profit £22.5m
Gray cost £11.4m so,d for £18.5 and worth £13.5 profit £5m
Lowton cost £1.5m now worth £3.5m

Tarks cost £4m now worth £3m

In terms of potential
Tarks
Wood
Pope
Taylor
Defour