Sol Campbell was furious his former team Arsenal threw away a lead in Sunday's north London derby against another of his old teams, Tottenham Hotspur.
Alexandre Lacazette had put the visitors 1-0 up after just 16 minutes, but the lead didn't last long, with Son Heung-min firing home just a few minutes later.
'This is slack,' said Campbell, speaking on Sky Sports. 'It’s all about concentration, keeping it simple. You have gifted them a goal, you’re 1-0 up, what are you doing? Don’t try and be clever.'
Sead Kolasinac played a woeful pass back to David Luiz, which ended up being more of a through-ball for Son, who lifted it over goalkeeper Emiliano Martinez.