Rodrigo Moreno was withdrawn 44 minutes after coming on for Leeds United as he is not match fit.
That is according to former Whites and Coventry striker Noel Whelan, speaking exclusively to Football Insider about why Marcelo Bielsa took the decision to substitute the 30-year-old against Chelsea.
Rodrigo was brought on for the injured Patrick Bamford after 35 minutes at Elland Road.
He completed 73 per cent of his passes and won 63 per cent of his duels before being replaced by Mateusz Klich on the 79-minute mark. (Wyscout)
A club-record £27million signing from Valencia, Rodrigo was sidelined for the whole of February with a groin injury sustained in the 3-1 win at Leicester City on 31 January.
When asked for his thoughts on Rodrigo’s substitution, Whelan told Football Insider correspondent Dylan Childs: “It was a strange one.
“I can see what Bielsa’s thinking was though. Rodrigo is still not up to match fitness and it showed with that header from the corner. A fit Rodrigo probably buries that.
“The fact is he is not up to scratch and he is not match sharp. He got 45 minutes under his belt again and that is very important.
“At that stage of the game we needed more aggression in the midfield. Rodrigo does not give you the work rate of Klich, he is more offensive.
“I think the right decision was made by Bielsa. Rudiger was driving out from the back and the extra midfield player sure that area up.”