Bielsa has hit the ground running since taking over as Leeds newest manager.
Leeds United midfielder Mateusz Klich was almost discarded by Thomas Christiansen last season.
Jansson will start for Leeds against Bolton on Tuesday night.
Thomas Christiansen is keeping an eye on Leeds United at the moment, it seems.
Leeds United beat Stoke City 3-1 on Sunday afternoon.
Leeds United parted company with Thomas Christiansen in February and appointed Paul Heckingbottom as the head coach.
Mateusz Klich barely played for Leeds United under Thomas Christiansen.
Was Mateusz Klich misused at Leeds United under Thomas Christiansen?
Leeds United could only manage to pick up a 1-1 draw with Sunderland yesterday.
Leeds United have not improved since Thomas Christiansen was sacked.