Theres no real basis to suggest we'd be doing better otherwise though.
How do you know for sure unless you try?
You need to assume the current formation wouldnt be better than the alternatives to want to try them. He obviously thinks it would be.
Maybe thinks we'd get overun in midfield with 3 in the middle, lua lua hasnt really ever stepped up, vuckic played yesterday. Guthrie & Taylor have the ability to get crosses into ameobi etc Im sure he has his reasons.