Granit Xhaka's inclusion bore fruit for Sunderland, who narrowly won away to second-tier Portuguese side Torreense on Thursday night.
Sunderland won 2-1 in the second round of the Europa League.
Brazilian Volnei scored for the hosts in the 37th minute, while Xhaka entered the game in the 59th minute.
Jules Ahoka equalised in the 67th minute, before Sunderland and Switzerland captain Xhaka assisted on the winning goal in the third minute of extra time, scored by Noah Sadiki.
For Sunderland it was their second win in as many games played. Torreense has three points.