Zurich - FIFA president Joseph Blatter called Monday for professional referees as a measure to protect football from the threat of match-fixing.
Blatter told a congress of football's world governing body in Zurich on sport betting that there appeared to "no limits" on what people were prepared to bet.
In reference to a recent match-fixing scandal in Germany which led to the jailing of a former referee, Blatter said there were still no professional referees in the Bundesliga.
"Nobody can say that the money is not there. We have to protect those who could be or already are the targets of such methods," he said.