"It's a fantastic win as every away game in the Champions League is such a hard task to get three points".
Hoffenheim enter the game against City following a loss to RB Leipzig on Saturday.
The City players arrived back in England in high spirits after getting their European campaign back on track in Germany on Tuesday night.
Zabaleta spent a season playing under Guardiola at City before leaving for the Hammers last summer.
In Hoffenheim's only previous meeting with English opponents, they lost 6-3 on aggregate to Liverpool in the 2017-18 Champions League qualifying play-off round.
The kick-off time for Manchester United vs Valencia is 8pm, while that of Hoffenheim vs Man City is 5:55pm.
Defending Premier League champions, City are now top of the division having won six and drawn one of their opening seven games. He has yet to score, or be on the winning side, in nine career appearances in front of The Kop.
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The Premier League champions and current leaders, urgently needing a win after their opening week Group F defeat at home by Olympique Lyonnais, were rocked by an Ishak Belfodil goal after just 44 seconds.
Sané is expected to retain his place this weekend when City travel to Liverpool looking to end a 15-year hoodoo at Anfield.
But it's not all doom and gloom for City, though.
The second half was far more even than the first, City struggling to make the same headway and the home side more confident on the counter.
"We knew we had 15 points to fight for and we now have three". You have five minutes to try to name them all.
First up on Super Sunday we go to St Mary's as Southampton take on Chelsea, where the Blues dramatically won 3-2 last season.
Prior to Guardiola taking charge at Manchester City, Zabaleta had made a name for himself as one of the most consistent right-backs in the Premier League - helping the club to two league titles.