“We had some issues in the first-half controlling some certain aspects, a lot of unforced errors as well with the high press they do,” he said.
“When we broke that pressure we had in the first half two or three important moments but we didn’t hit the target.
“In the second half we produced I think another two of three big chances but not enough to win the game.”
For Arsenal, it means they won’t be winning the FA Cup again – having beaten Chelsea in last season’s final at Wembley in August.
But, for Southampton, it was a terrific afternoon.