If you're a football fan you'll have seen the referee issue many a yellow ... white card made its first public appearance at the weekend as referee Catarina Campos used it during a women's cup ...

Nigel de Jong’s Kung fu kick on Xabi Alonso in the 2010 final, for which referee Howard Webb brandished only a yellow card, is up there ... States men’s and women’s national teams at ...

Longtime Premier League and FIFA referee Mark Clattenburg went to issue Max Fosh of the YouTube All-Stars a yellow card, and Fosh responded by pulling out a green Reverse card from Uno.

Longtime Premier League and FIFA referee Mark Clattenburg went to issue Max Fosh a yellow card, and Fosh responded by pulling out a green reverse card from Uno, a card game marketed by Mattel.

German referee Daniel Siebert didn't take kindly to the celebration, though, and handed Neymar a yellow card for what he perceived to be jeering at either the crowd or his opponents. The Brazilian ...