And after the match, Foster admitted it was the pace of Aubameyang that caught him out.
Recent weeks have seen other racist incidents with some England players the targets for racist abuse during England's recent 5-1 win away to Montenegro.
"I think you know I like to play with two strikers, but I don't want to say it because the coach will be a bit, er.(laughs)". "Hopefully we will find a way to kick it out".
And now the team will next travel to Italy for their Europa League quarter-final second leg at Napoli, leading 2-0 from the first leg.
Unai Emery comes up against Watford head coach Javi Gracia on Monday night and has revealed his fellow Spaniard was the first person he called when it became clear he was in the running for the Arsenal job.
Uber sets IPO in motion, seeks to 'ignite opportunity'
Last year, the ride-hailing giant settled a legal dispute over trade secrets with Alphabet Inc's Waymo self-driving vehicle unit. But now many of those people stand to make millions - if not billions - of dollars as the company roars onto the stock exchange.
'Terrible fire' at Notre Dame could be linked to spire renovation
Paris Mayor Anne Hidalgo called the blaze "terrible" and called on the public to respect the security perimeter in place. French president Emmanuel Macron postponed a televised speech to the nation and was travelling to the site of the blaze.
Chelsea as Liverpool vow to "fight until the end"
After the loss, Chelsea are now fourth on the table with 66 points from 34 games and they have now played one game more than their top-four rivals. 97 (possible).
Arsenal managed to turn both of those ties around when back in north London but this time they need to defend an advantage as they look to reach the semi-finals for the second year in a row.
"I think we had a lot of chances to score more goals, but we didn't concede and that is a good point, that's really important".
When quizzed about his strike partnership with Lacazette, Aubameyang toldSky Sports: "Everybody knows that I like to play with Laca because we have a great partnership".
Let's be realistic, as things stand right now we cannot offer Alderweireld wages above what Spurs could offer him, we cannot guarantee him success any more than what Tottenham can, we cannot even guarantee Champions League football right now. We have to improve that. "It will be an important game and a good challenge for us". As I said before we are confident. "The result will do for us".
Who do you think will win this one?