Chelsea took the lead after 5 minutes by Christian Pulisic, however Arsenal got here again strongly halfway by the first half when Aubameyang was introduced down by Cesar Azpilicueta in the Chelsea field.
The striker transformed from the penalty spot, and though Chelsea began the second interval strongly, it was captain Aubameyang who gave Arsenal the lead when he discovered some area in the field and produced a deft chip over Willy Caballero.
Things went from unhealthy to worse for Chelsea as Mateo Kovacic was red-carded following a second yellow shortly after the recreation’s third aim.
Victory handed the Gunners their fourteenth FA Cup trophy and fourth since 2014.
It additionally offers Mikel Arteta, who twice gained the FA Cup as a participant with Arsenal, his first piece of silverware as supervisor of the membership.
Aubameyang praised his boss after the closing whistle.
“He deserved this win,” Aubameyang instructed BBC Sport. “He did a great job, and we’re all happy to have in on board and we just follow him.”
In the first closing ever performed with out followers, Chelsea began the brighter of the two sides when Mason Mount acquired the ball in the Arsenal field and located Olivier Giroud.
The Frenchman flicked it on to Pulisic, who lifted his shot over Emi Martinez to turn out to be the first American to attain in an FA Cup closing.
The Blues continued to assault till the first-half drinks break, after which momentum swung in the direction of Arsenal and Aubameyang helped degree the match when he surged in the direction of the Chelsea aim and went down below Azpilicueta’s problem, burying the ensuing penalty into the bottom-right-corner of Caballero’s aim.
Fullback Hector Bellerin cantered into Chelsea’s half and, though he misplaced possession, the ball fell to Nicolas Pepe. He discovered Aubameyang, who wriggled into area and flicked the ball over Caballero.
Chelsea continued to press for an equalizer regardless of dropping Kovacic, however Arsenal held on for the win.
The outcome means the Gunners qualify for the Europa League regardless of ending eighth in the Premier League.