Former Carlton player Andrew Walker is at the centre of the 'wonder drug'  story dominating the footy world... he spoke to Gerard Whateley.

Former Carlton player Andrew Walker is at the centre of the 'wonder drug' story dominating the footy world... he spoke to Gerard Whateley.

Former Carlton player Andrew Walker is at the centre of the&nbsp;'wonder drug'&nbsp; story dominating the footy world... he spoke to Gerard Whateley.

Gerard Whateley with Andrew Walker on Mornings with Kane Cornes (6/4/18)

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Share Gerard Whateley with Andrew Walker on Mornings with Kane Cornes (6/4/18)