Complex sentence: As a coach, his greatest achievement came in 1987 when he coached Carlton to the 1987 VFL premiership, the same club he won premierships with as player in 1968,1970 and 1972.
Split into simpler sentences: As a coach his greatest achievement would come in 1987 when he coached Carlton to the 1987 VFL Premiership. The same club he won the premierships with as player in 1968,1970 and 1972.