Much-changed Man City squander chances but still top group

With qualification to the knockout stages assured following last week’s victory at Olympiakos, Guardiola took the opportunity to rotate his squad

Manchester City's Raheem Sterling, center, tries to score past Porto's Sergio Oliveira. Picture: AP Photo/Luis Vieira

Champions League: Porto 0 Manchester City 0

Manchester City comfortably secured the point that ensured they will progress to the Champions League last 16 as group winners, but Pep Guardiola’s side were left frustrated in their efforts to maintain their perfect record in this season’s competition.