Despite his try-scoring exploits, Benjamin believes it was the impact of Faletau on his return to the starting XV that helped the hosts record their third consecutive GUINNESS PRO12 victory.
And with Faletau retaining the No.8 jersey for a European semi-final clash against Edinburgh at BT Murrayfield on Friday night, Benjamin is confident his side can keep their impressive run going.
"You look at [Faletau] in awe because he is everywhere on the pitch. He is involved in every significant part of play," Benjamin told Wales Online.
"He's a great player to play with, in attack and defence. He never stops working and gives us go-forward.
"For the last try of the Leinster game, he ran through three players and put us on the front foot.
"It's a massive confidence-booster beating Leinster but Friday is cup rugby. Edinburgh lost to Munster but it will have no reflection on the semi-final - we've just got to go to BT Murrayfield, play our hearts out and hopefully get the win.
"We are on such a good run and all the back-rows are playing brilliantly. Everyone has got to try and put pressure on each other. It's up to the coaches and I am sure whoever they pick will do a good job."
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