During yesterday's 1-1 draw with Burnley at Stamford Bridge, Rosenior chose to take captain James out shortly before the final whistle.
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After the match, Rosenior explained why.
He said, "Reece is so important to us. He is a leader and a world class player.
"When there is evidence of fatigue, I want him off the field right away. I need him for the fight against Arsenal. He should be ready for that fight."
The result leaves Chelsea in fourth place on the Premier League table.