Dominik Szoboszlai scored a stoppage-time equaliser from the penalty spot to rescue a 2-2 draw for Liverpool at Newcastle United on Sunday.
Anthony Elanga gave Newcastle a fifth-minute lead but Cody Gakpo drilled home the equaliser on 55 minutes.
Two minutes later, Elanga charged upfield and laid the ball off to Joe Willock who curled a long-range shot beyond Alisson.
Newcastle were moments from an opening-day win until Lewis Hall fouled Liverpool debutant Víctor Muñoz inside the box, silencing the home faithful. "It's knee into thigh contact," VAR clarified. "Confirming the on-field decision of penalty".
Szoboszlai brilliantly dispatched the penalty in the ninth minute of added time.
Matthias Jaissle, who replaced Eddie Howe, and Andoni Iraola, who has taken over from Arne Slot at Liverpool, shared the spoils on their league debuts with their new clubs.
Iraola told Sky Sports: "I don't think we deserved to lose the game and I value the effort from the players.
"I haven't looked at the stats, but I'm sure we will have more chances, more everything. I think we were arriving, probably in the first half, we were not finishing anything.
"We were having a lot of balls on the edge and we were trying to overplay a little bit. And we had just to shoot, shoot, even the first ball we got it.
"I think the players coming from the bench gave us energy. I don't know if they played better, worse, but they gave us energy. And you can feel the way we want to play, everyone is not going to last 90 minutes. So we need this energy from the ones coming from the bench and I think today it happened."
Alexander Isak, who had an injury-disrupted first season at Liverpool last campaign after joining from Newcastle, was kept quiet on his return to the north-east.
Before kickoff, the teams united to pay tribute to Kevin Keegan -- a star player for both clubs -- following his death last month at age 75. Players from Newcastle and Liverpool wore shirts with "Keegan" and the number 7 on the back in the warmup at St. James' Park, while there was a mosaic in the center circle, a tribute video and a huge tifo in the stands dedicated to the former England star.
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Associated Press contributed to this report.