This week they get a team that has failed to get off to a good start in the Bundesliga losing three of their first six matches.
But the broader question concerns how Pep Guardiola's men will bounce back from their shock 2-1 home defeat to Lyon in their Group F opener.
Speaking after the game against Hoffenheim, Guardiola singled out Silva for praise, expressing his belief that the midfielder is one of the best in the business.
"He's coming out in press conferences constantly having a go at players, having at go at people above him because he's not getting what he wants".
This is Turkey's fourth defeat in the last five Euro bidding races and they had been hoping to mark the republic's 100th anniversary in 2024 by staging their first major worldwide football tournament.
"I've never seen so many Man Utd players, who I'd normally hang my hat on, give the ball away so much", he said.More news: Graham wants another investigation - into how Democrats handled Ford's accusations
He also predicted that Manchester City would beat Hoffenheim 3-0.
A clinical performance against relatively low-key German opposition-especially without one of their biggest names-would underline their intent.
The Argentinian had a total of seven chances, five in the first-half alone, and moments later Hoffenheim goalkeeper Oliver Baumann had to palm yet another Aguero shot over the crossbar.
The away win was thoroughly deserved as City were finally rewarded for their patience after dominating a determined Hoffenheim defence for long spells. City can not afford to have one eye on their trip to Anfield on Sunday, but their squad is deep, and I expect them to get their Champions League challenge back on track. The two players will be the focus of City's attack on Tuesday.
After seeing Lyon capitalize on City mistakes, Hoffenheim will try to force City into errors and look for Andrej Kramaric and Adam Szalai to find the back of the net.
Gundogan revealed after the game that the match against the Reds is the most important game of the season so far.