Following a strong showing at Brentford in midweek - and calls for Kiko Casilla to be dropped - we're expected Bielsa to name an unchanged line-up for the clash with the Robins. Lee Johnson, though, favours a 4-4-2 which means Leeds could be set for a formation change to deal with two strikers. Here's how we believe United may set out in a fluid 3-3-1-3...
1. Kiko Casilla - GK
Under immense pressure to produce. Another error in midweek has seen calls for Bielsa to drop him intensify, but he's backing him for now.
2. Luke Ayling - CB
With Bristol City opting for two up front Bielsa should go with a back three. Ayling would play on the right side and still support attacks down the flank if required.
3. Ben White - CB
A key man in Bielsa's defence. Has had a very successful loan so far, centre-back is where he shines.
4. Liam Cooper - CB
Bielsa's captain, so usually starts when fit. Buoyed by his first goal of the season in midweek at Brentford. Him and White should take a striker each.
5. Stuart Dallas - LB/RB/CM
If you don't watch Bielsa's side every week this will sound odd. But Dallas could be deployed as a wing-back on either side of the back three to help overloads, or support in midfield if needed. Trust us...
6. Kalvin Phillips - CDM
His absence was heavily felt. A return in midweek brought calm back into the Leeds team. Phillips looked refreshed and ready for the promotion battle.