Pep Guardiola’s men lock horns with the Mexican side at Houston’s NRG Stadium, with kick-off scheduled for 19:30 CDT (01:30 UK).
It represents the first match of our pre-season tour of the United States, with a further clash against Bayern Munich to follow in Green Bay later this week.
And the City defender says he and the squad are in good shape since returning from a three-week break as we look to get our 2022/23 title defence off to a strong start.
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“A lot of us played in Nations League, so we only had three weeks off,” Walker explained.
“Fitness-wise, we won’t be too down but tomorrow will be a big step in the right direction.
“A lot of fans will come and watch us, so we need to put a show on for them.
“But we also need to ensure we are doing the right things fitness-wise too.”
Each of City’s four summer signings could potentially feature in our first pre-season friendly in Houston.
Erling Haaland, Kalvin Phillips, Stefan Ortega Moreno and Julian Alvarez have all travelled to the United States as part of Pep Guardiola’s squad, and Walker says each of them have settled in well to their new surroundings so far.
Focusing on Haaland, Walker has been impressed with the Norwegian’s first few training sessions at City, but has called for patience to allow the 21-year-old to adapt to the rigours of English football.
He said: “We have a lot of signings come, but the manager and his recruitment staff bring in good players who slot straight in.
“I hope Kalvin, who I know from England, slots in, and Erling and Julian, they need to hit the ground running.
“Erling has been really good. He’s young, which we need to take into consideration and we have to take that into consideration.
“He has big boots to fill with (Sergio) Aguero being the last out-and-out striker, bar (Gabriel) Jesus.
“(But) what I’ve seen training he looks strong, he looks powerful and he looks eager and that’s the main thing.
“If he keeps his standards and keeps doing what he was doing at Dortmund and brings the same mentality and adapts to the Premier League – which we all know is very difficult.
“Very few people come into a team and hit the ground running straight away.
“He’s going to need time, but that’s down to us as a club to make him feel welcome.”
MAN CITY APP - US TOUR COVERAGE
City face Club America in Houston and Bayern Munich in Green Bay this week.
Both matches are live on CITY+ (restrictions apply, see below for more information).
Our game with Mexican giants Club America will take place on Thursday 21 July at the NRG Stadium in Houston. That one gets under way at 19:30 (CDT)/01:30 (UK) time.
And our clash with Bayern Munich on Saturday 23 July will be played at Lambeau Field in Green Bay. That one kicks off at 18:00 (CDT)/midnight (UK).
You’ll also be able follow the games via our Matchday Centre and Matchday Live studio show on the day of each game, with special guests Joleon Lescott and Pablo Zabaleta joining presenter Natalie Pike.
In addition to live coverage of the games, CITY+ subscribers will get full-match replays and Pitcam highlights.
We will also bring you live coverage of our two open training sessions via the Man City App and mancity.com.
CITY+ coverage in your region:
City v Club America is available to CITY+ subscribers everywhere, except the US and Mexico.
Bayern Munich v City is available to CITY+ subscribers in the UK, India and China.
