Quietly Confident Quartet consisted of the freestyler whose career ended after what event?
Quietly Confident Quartet:  The quartet consisted of backstroker Mark Kerry, breaststroker Peter Evans, butterflyer Mark Tonelli and freestyler Neil Brooks. Neil Brooks:  His international career ended when he was suspended for drinking 46 cans of beer on the return flight to Australia after the 1986 Commonwealth Games.
1986 Commonwealth Games