He was ejected for unsporting conduct.
In this situation the action is clearly unsporting.
Players are warned, fined and can even be disqualified for unsporting actions in the heat of contest.
a dirty fighter; used foul means to gain power; a nasty unsporting serve; fined for unsportsmanlike behavior.
And there's certainly something unsporting about a dozen men and women on horses chasing a frightened animal across the countryside.
The Ghana international faces a UEFA charge of gross unsporting conduct following a challenge on Liverpool's Dietmar Hamann during their recent Champions League game at Stamford Bridge.
It may seem harsh, but the law is clear: you must show him the yellow card for unsporting behaviour and award a penalty.
Show the captain the yellow card for unsporting behaviour, and make it very clear to him that players cannot pick and choose who referees their games. He must respect you and your colleagues.
