Key match stats 

The Gunners have won the last seven home Premier League matches against the Foxes in a run of 21 home matches in all competitions unbeaten (W15 D6 L0).
Leicester City have won none of their last 18 matches in all competitions against Arsenal (W0 D8 L10).
The last time Arsenal played Leicester at home was the 38th and final game of their unbeaten 2003-04 Premier League campaign.
There have been four players sent off in the last six Premier League matches between Leicester and Arsenal.

Leonardo Ulloa has scored in both of his appearances against Arsenal, once in the FA Cup for Brighton and once in the Premier League for Leicester.
Arsenal have lost just one of their last 29 Premier League games at the Emirates Stadium (W20 D8 L1), conceding just 18 times in that run.
Alexis Sanchez has scored eight goals in his last eight Premier League starts at the Emirates.
Nigel Pearson has won just four of his 24 Premier League games in charge of Leicester.
Mesut Ozil has scored the three consecutive appearances for Arsenal in all competitions, the first time he’s done this.
Leicester City have won none of their last 17 Premier League matches against London clubs (W0 D5 L12).
 Per Mertesacker