Arsenal's last-gasp win at Newcastle to close on Premier League leaders Liverpool will "give them huge confidence" they can win the title race, says Sky Sports' Gary Neville.
Gabriel headed in a stoppage-time winner at St James' Park on Sunday to complete a stunning turnaround victory after Mikel Merino had cancelled out Nick Woltemade's opener.
Arsenal were adamant they had been denied a penalty in the first half but showed resilience to battle back and capitalise on Liverpool's defeat at Crystal Palace on Saturday. Mikel Arteta's side now trail the defending champions by just two points.
"So big for Arsenal, so big for Arteta," said Neville on co-commentary.
Neville had been critical of Arsenal's approach in their 1-1 draw at home to Manchester City last weekend but praised the Gunne