Match stats from the BBC
Arsenal have beaten Chelsea twice in a season [in all competitions] for the first time since 2003-04.
Per Mertesacker started his first game for Arsenal since 30 April 2016 [against Norwich], 392 days ago.
At three minutes 49 seconds, Alexis Sanchez's opening goal was Arsenal's fastest ever in an FA Cup final.
Sanchez has scored in five successive games for Arsenal in all competitions for the first time.
The Chilean has been directly involved in 45 goals in 51 appearances for Arsenal this season [30 goals, 15 assists].
Victor Moses is the fifth player to be sent off in an FA Cup final after Chris Smalling [Manchester United in 2016], Pablo Zabaleta [Manchester City in 2013], Jose Antonio Reyes [Arsenal in 2005], Kevin Moran [Manchester United in 1985].
Diego Costa netted his 22nd goal of the season for Chelsea in all competitions - his best-ever return in a single campaign for the Blues.
Olivier Giroud has had a hand in four goals in his past four games for Arsenal in all competitions [three goals, one assist].
That first one!! fucking hell what a time to end that!!!