Speaking to Sky Sports after the 4-0 over Norwich, Wayne Rooney said: "We have had a tough week and we understand there was a lot of negativity towards us, we are hurt by that and want to put it right - today we have shown that, we have to show that we are a top team.
"He is built to be a manager - Giggsy has all the credentials to be the next boss."
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The note was left for paramedics attending an emergency call in Stoke-on-Trent on Sunday morning.
Monday will see a dull, damp and murky start, with temperatures reaching highs of 13C (55F).