Chelsea slipped to a 4-0 defeat on Sunday as Kurt Zouma and Andreas Christensen formed a disappointing partnership.
Rudiger, who has been a consistent performer since joining from Roma in 2017, had been due to return for the clash against Wolves on September 14, could be rushed back early.
According to the Daily Mail, Lampard has been forced into action by what he saw in his first clash as a Premier League boss, and has become desperate to see the 26-year-old back on the pitch.
The Germany international has knee surgery earlier in the year as he missed the end of last season, but has responded well since returning to training.
Rudiger’s replacement, Zouma, came under intense criticism for his display against United, which included conceding an early penalty which led to the opening goal.
Chelsea hero Gianfranco Zola, who was assistant boss at Stamford Bridge last season, has now admitted that the defender will be lucky to hang on to his starting berth when Rudiger returns.
Zola told beIN Sports: “Certainly Rudiger has got more experience. Kurt Zouma fouled Marcus Rashford for Manchester United’s penalty.
“I think he [Rudiger] has a better understanding with Christensen.
“I believe if they want to play out from the back, Rudiger and Christensen will be more suitable.”
Lampard quickly stated after the game that he didn’t feel like United deserved to win the game by such a large margin, and back his side to respond.
The former Derby boss told Sky Sports: “It was nowhere near a 4-0.
“Four mistakes for the goals, but we controlled major parts of the first half.
“We hit the woodwork, poor decisions in the final third, we should be in the lead at half-time.
“They are a counter-attacking team, it’s a big strength, they have pace, and if you give them opportunities they will counter.
“For massive parts of the game we didn’t allow them to do that. Loads of lessons for us.
“The team we put out today was clearly competing in the game for long periods but we made four mistakes and they were clinical in the way they put them away.”
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