Rugby ROUND UP: Jerry's tightrope; RUGBY WORLD CUP.
England's Phil Vickery, Springbok Schalk Burger and USA's Paul Emerick have been banned after being targeted by citing commissioners.
And it has made notorious All Blacks hard-man Collins aware of his responsibilities.
"It's always at the back of your mind," said the powerful back-row forward.
"It's a long way to come for the tournament to end early. Everyone wants to be here for the full quota.
"I suppose it's just luck of the draw who gets picked up or not picked up."