It was the first away goal that Wijnaldum has scored for Liverpool in the Premier League.
Mauricio Pochettino's Spurs were again out of sorts following their 2-1 loss to Watford before the worldwide break, with substitute Erik Lamela's stoppage-time goal giving the scoreline a very flattering look for the hosts.
Although Jurgen Klopp will be curious as to why his side couldn't convert more of the many chances they created, the closing five minutes of today's game very almost undone what was a landmark win for Klopp's side. We had in all the games really good moments.
"I'm not sure if we can do it on Tuesday and then next Saturday [against Southampton] again". I don't want to be too critical because I don't know exactly how he said it but sitting in an office and talking about football is completely different to doing the job, to be honest.
Liverpool were beaten 4-1 by Spurs in this fixture last season, which ended up sparking an 18-game unbeaten run for the Reds. We have to play against PSG.
"I don't wait for problems, but I am old enough to know they will come. If they can keep this intensity going, whoever finishes in front of them this season will win the league".
Meanwhile, the Liverpool manager is unsure on the severity of Firmino's facial injury that forced him off in the 74th minute on Saturday following a duel with Jan Vertongen.
"From my point it is all fine, but I know the situation isn't what some people expected but I can not change that".
The next challenge is in the Champions League with a trip to Inter Milan on Tuesday when Liverpool hosts Paris Saint-Germain at the start of the group stage.
'A hospital examination confirmed an abrasion of the eye, but there will be no lasting damage, ' a statement read.