(Reuters) – The BBC has apologised to viewers after the headline “Manchester United are rubbish” appeared on its ticker during a television news broadcast on Tuesday. The headline appeared on the bottom of the screen during a report on the French Open tennis championship. TV critic and broadcaster Scott Bryan, who works for the BBC, noticed the gaffe and posted a clip on which immediately went viral. BBC presenter Annita McVeigh later issued the apology on air and explained that the headline was written when someone was learning how to use the ticker. “Some of you may have noticed something pr…