The abrupt exit of All Blacks coach Scott Robertson has laid bare the unforgiving nature of professional sport

New Zealand Rugby yesterday announced Razor's leaving halfway through his four-year contract.

Frustration had been simmering among players for months, erupting in a scathing internal review late last year.

Management School Professor Jarrod Haar says the public often forgets this is an employment decision.

He says we probably won't learn more details, because come under a confidential contract.