2004-05 Chelsea, Ferreira, Cech, Robben, Drogba and CarvalhoSo, to imply the point, can you or anyone else think of any examples where clubs have signed, say, 5 or more first team players in one window in a way that has set a positive data point?
2005-06 Tottenham, Huddlestone, Lennon, Davids, Lee Young-Pyo, Jenas (plus Tainio and Stalteri for good measure)
How about Newcastle January 2022? Trippier, Wood, Guimaraes, Burn and Targett. One of the sharpest U-turns ever.
