He believes the Olympic result might work in his team's favour on Sunday in that it was first-hand proof for Wairarapa United of what can happen when the attitude isn't up to scratch.
"I suppose you could say it was the perfect storm. We played poorly and they played well," Keinzley said. "They wanted it a whole lot more than us and it showed. It's a good lesson"
Keinzley is also optimistic the enthusiasm of the younger players will rub off on those around them.
Whether Wairarapa United will have the services of star striker Seule Soromon won't be decided for another 48 hours or so as he is battling a hamstring injury.
If Soromon is out it is likely youngster Thomas Hemi will join Dale Higham up front while Arnon Tapp will be competing for a midfield berth with Nathan Cooksley, Miroslav Tvaroh and Aaron Speirling. Backs in contention for a starting spot are Carl Shailer, Adam Cowan, Josh Margetts, Bryan Kalteck and Waisake Sabatu.