Shelvey has admitted he 'couldn't play for Leeds' after a torrid time spent trying to mark Rodrigo in January.
He recalled to the Studs Up podcast: "We obviously played Leeds at St James' Park about a month ago now, and that Rodrigo fella was in the middle.
"He was meant to be playing centre midfield and he was just all over the place.
"I said to him, 'geez can you just stand still for one minute, because you're just running around like a nutcase'.
"Some of it was just pointless running as well, and he goes, 'I must do, I must do, my manager says I must do'."
Having described Rodrigo's lung-bursting work rate, Shelvey went on to conclude: "I couldn't play for Leeds."