Leeds United man spotted in training ahead of Sheffield United after Marcelo Bielsa's initial doubt

Leeds United's Mateusz Klich (centre) challenges Raphinha (left) and Diego Llorente (right). Pic: Getty

Mateusz Klich has been spotted in Leeds United training after Marcelo Bielsa admitted he was unsure over the midfielder's involvement against Sheffield United.

The Whites welcome Paul Heckingbottom's Blades to Elland Road for a Yorkshire derby on Saturday afternoon in the Premier League.

The top flight resumes over Easter weekend following a short hiatus from action amid a busy March international break.

Klich was among a number of first team players to head away with his country last week as the World Cup qualifying campaign for Qatar 2022 began across Europe.

The United man failed to feature in any of Poland's three games having tested positive for Covid-19 following initial involvement at a national team training camp.

Klich was forced to isolate in a hotel in his home nation in line with current guidelines and restrictions amid the coronavirus pandemic.

He was initially expected to be back available for the Whites against the Blades having served his isolation period in advance of the fixture.

Klich's availability, though, was cast into doubt during Bielsa's pre-match press conference amid the differing protocols that are currently in place.

"The protocol has not been finalised, so we don't know what the result can be, we don't know yet," he said. "The evaluations haven't been completed so we don't know yet."

The 30-year-old is now expected to hand his boss another huge boost after he returned to training at Thorp Arch on Friday.

Klich was spotted in the club's latest pre-match build-up video ahead of the Blades clash as he took part in drills with his teammates out on the training pitches.

Bielsa also confirmed ahead of kick-off that club captain Liam Cooper had overcome illness to be available for selection while Spanish duo Rodrigo and Pablo Hernandez were fit again.

United's international players were yet to be fully assessed upon their return to West Yorkshire but no issues were anticipated by the Argentine head coach.

Bielsa's clean bill of health means that - providing there are no late hiccups - only long-term absentee Adam Forshaw (hip) remains in the Elland Road treatment room.