An AFL umpire was one of four men arrested as part of an investigation into suspicious betting activity linked to this year's Brownlow Medal.

An AFL umpire was one of four men arrested as part of an investigation into suspicious betting activity linked to this year's Brownlow Medal.

If it's happening in Brisbane, you'll hear about it first on 4BC Breakfast.

If it's happening in Brisbane, you'll hear about it first on 4BC Breakfast.