Chelsea star William Gallas has been left bamboozled by Graham Potter and his tactics since the manager joined the Blues earlier this month.
Among them included playing Raheem Sterling at left wing-back and Marc Cucurella at centre-back against RB Salzburg in his managerial debut.
Summer signings Kalidou Koulibaly and Wesley Fofana, however, were left on the bench. Speaking to Genting Casino, Gallas could not believe his eyes and said: "I'm baffled by Graham Potter's use of Raheem Sterling.
That is a problem. When I saw Sterling playing as left wing-back, I didn't understand it. READ MORE: Chelsea chief Todd Boehly made bid to buy another club - but was scuppered at last minute "It's difficult for me to understand why he wants to experiment with something like this, especially in a Champions League game."You are playing at home and you put Cucurella as a centre-back, you have Fofana on the bench with Koulibaly, Chalobah on the bench, and you put Sterling as a left-wing back?
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