Whether is 442 or back 3, we played our best games this season with those formations (433 with Dybala as F9 third best). All much better than the usual 433.
Don't know if he's going with this just because he's forced (only two CMs available and 100%) or was going to make a change after Atletico anyway, but should be rare good viewing vs Sinister Mihajlobitch's Bologna, a decent side atm.
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Ben10-Matuidi a bit light without support, so prolly a 4-man mid and change to back-3/5 if needed.