DAMIEN Hardwick believes Richmond midfielder Reece Conca will learn from the "selfish" act that felled Greater Western Sydney's Devon Smith and cost the young Tiger two games.

Conca, 21, was suspended by the Match Review Panel for his uncharacteristic and undisciplined elbow to the back of Smith's head in the second quarter of Saturday's win over the Giants.

The two had engaged in a wrestle where Smith pulled Conca's jumper over his head.

Conca responded by chasing the unsuspecting Giant to the interchange gate and collecting him with his elbow. 

"We had a chat to Reece. Obviously we're disappointed - we like our players to play hard and tough but that was above and beyond," Hardwick said on Thursday.

"He was really disappointed with his actions, as were we. We've got a good player sitting in the stands for two weeks.

"Reece is a quality kid, he stepped outside the bounds, he knows that, we know that and we're really disappointed he decided to do that.

"It was really selfish on his behalf.

"He'll get better and learn from it, and more importantly, we're probably lucky Devon Smith didn't cop a nasty injury from it."

It's the second undisciplined act that has cost the Tigers in recent weeks, with Tyrone Vickery currently serving a four-week ban for striking Dean Cox in round 18.

Conca will miss the Tigers' clash with Essendon on Friday night and their away game against Adelaide in round 21 while Vickery is due back for the final home-and-away round.