This is nawty:
What a step! ?
Sofiane Guitoune with the filthy footwork to deliver a sucker-punch right as Leinster looked to be back in it!
We've got a cracking contest on our hands here…
BT Sport 2 HD ? pic.twitter.com/QOTZ43eays
— Rugby on BT Sport (@btsportrugby) October 21, 2018