Lydia Ko is number one in the world once again, and word is she's thinking about retiring.
Tyson Fury is much older than Lydia Ko, also number one in the world and he looks like he'll never retire.
This has caused a great deal of confusion for Sportstalk's D’Arcy Waldegrave, so he spoke to retired All Black James Parsons about how you know when it's time to move on.
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