Never slap Nigerian striker Frank Temile during training.

Dynamo Kiev's Dmitry Korkishko learned this lesson the hard way when he landed an open palm on his teammate's face during a practice session in the Ukrainian capital this week.

Temile swiftly responded with a brutal left hook, which quickly escalated into a full-scale fisticuffs fracas. The Nigerian was so enraged that he has to be pulled away by his ankles, which is always a good sign of a tenacious beatdown.

It's the kind of intense training ground violence that John Hartson would be proud of.

Read more at the Dirty Tackle.

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