Slavia Prague. The Gunners forward took the knee right in front of the Czech side after they stood by defender Ondrej Kudela in recent weeks.
Kudela was handed a 10-game ban by UEFA for racially abusing Rangers midfielder Glen Kamara during a Europa League last 16 clash at Ibrox in March.
Lacazette and his team-mates then backed up the Frenchman's display by dismantling Slavia 4-0 to book a place in the semi-final.And Arsenal legend Keown was clearly pleased his old club "got their message across"."He's definitely making a point there," Keown said on BT Sport."They made it difficult for those players going into the game tonight.
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