This is the squad that Poch inherited:
Lloris, Gomes, Friedel
Walker, Rose, Naughton, Fryers
Kaboul, Vertonghen, Chiriches, Dawson
Sandro, Capoue, Dembele, Paulinho
Lennon, Lamela, Townsend, Chadli, Siggurdson, Eriksen
Soldado, Adebayor, Kane
Some of the players above weren't considered to be brilliant before Poch came in (Walker, Rose, Kane, even Dembele). They improved through good coaching.
Here are each years transfers under Poch:
Under Poch we added
Year 1: Davies, Vorm, Dier, Yedlin, Fazio, Stambouli, Ali,
Year 2: Wimmer, Trippier, Alderweireld, N'Jie, Son
Year 3: Wanyama, Janssen, N'Koudou, Sissoko,
Year 4: Sanchez, Aurier, Gazzaniga, Foyth, Llorente, Moura
Year 5: Nobody
Year 6: N'Dombele, Lo Celso, Sessegnon, Clarke
I have bolded the players that I think have been reasonable (or better) signings, purposely leaving off Lo Celso and Sessegnon from this years crop as we haven't really seen them yet (I expect both to do well at Spurs though).
I think more signings than not have worked out OK or better. Also we didn't really lose too much money on the signings that didn't work out:
Yedlin (+£2.5M)
Fazio (-£5M (after two loans that probably bought half of this amount in loan fees)
Stambouli (+£1.3M
Wimmer (+£13.7M
N'Jie (-£2.3M)
Janssen (-£11.7M)
N'Koudou (-£4.8M)
So that's a maximum of only about a £5 million loss overall on those on those transfer "failures" (and probably nothing at all considering loan fees would've been bought in for Fazio, N'Jie and N'Koudou.
I'm absolutely fine with Poch being given money to spend.