Kiwi centre Steven Adams has taken another knee to the groin in Oklahoma City Thunder's latest win over the Toronto Raptors.

It's not the first time Adams has been struck in the ''family jewels'', most famously from Golden State Warriors' forward Draymond Green two seasons ago.

This time it was former teammate Serge Ibaka as Adams tried to stop a drive to the basket.

Adams recovered after the third quarter incident to shoot 25 points as the Thunder upset the Raptors in Toronto 132-125.

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All of his scoring came in the first three quarters before guard Russell Westbook took over during the closing stages to finish with a triple-double, including 37 points.

Read more: Steven Adams in playoffs form for Oklahoma City Thunder

A vastly improved offensive threat this season, Adams went close to surpassing his best game score in the NBA of 27.

He was slightly down on his average with eight rebounds but matched his NBA best with four assists as a Toronto team with the league's third-best record (52-18) were toppled by the Thunder (sixth best at 43-29).

Adams had only recently returned from missing two games with a hip injury.