Leboeuf believes the German's job is safe even if he doesn't win any silverware this season.
He said: "I don't think [Chelsea will sack Tuchel this summer] and I don't want them to because I think he did enough to show that he has the talent to bring the club to the highest level.
"And again, if you have too many players injured, even if you buy [Romelu] Lukaku, what can you expect from your team?
"So it's hard to defend yourself. Hopefully he can have a better season with less injuries and show that he is one of the best coaches in the world."
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