Leeds United boss Marcelo Bielsa insists none of his players are untouchable.
Kalvin Phillips was hooked at half-time against Brighton on Saturday.
After the 0-0 draw, Bielsa said: “It's very difficult to imagine that a player can never be substituted.
“I thought Pascal was better suited to the second half than Kalvin. That doesn't mean I was correct, but I did what I thought was best.
“But in no way does that mean there's a difficulty.
“It's never good for a player or a team to think that the positions are immovable and that the hierarchies within a team can't be altered
“It's not only bad for the player, who is untouchable, but it's bad for those (players) who want to alter the positions within a team.
“It's bad for Kalvin to think that he'd never be substituted like any other component of the team."
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