New Zealand's Olympic shot put champion Valerie Vili has added to her lucrative season with a winning effort at the IAAF Grand Prix finals in Stuttgart.
Vili won comfortably with a best distance of 19.69 metres, cashing in on a 30 thousand US dollar payout to all winners at the meeting.
The Olympic 1500 metres bronze medalist Nick Willis had to settle for third again, behind two Kenyan runners, clocking 3 minutes 38.22.
