Two top lawyers with a powerhouse law firm rejected President Trump’s offer to joins his shrinking legal team as it prepares for Trump’s possible interview with special counsel Robert Mueller as part of ​the​ investigation into Russian interference in the 2016 election, a report said.

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Two partners of Winston & Strawn ​-​ former federal prosecutors Tom Buchanan and Dan Webb ​-​ were approached by Trump but declined the job “due to business conflicts​,”​ Politico reported late Monday.​

“However they consider the opportunity to represent the president to be the highest honor and they sincerely regret that they cannot do so,” the ​firm said in a statement​. “They wish the president the best and believe he has excellent representation in Ty Cobb and Jay Sekulow.”

​The decision by Buchanan and Webb follow Trump’s opting not to hire the husband-and-wife legal team of Joe diGenova and Victoria Toensing because of conflicts.

​The president met with Toensing and diGenova, who ​raised allegations that the Department of Justice and FBI hatched a “brazen plot” to frame Trump in case Hillary Clinton lost the election, but felt like they had no chemistry, the New York Times reported on Sunday.

​The two are representing former Trump campaign official Sam Clovis and former campaign aide and White House staffer Mark Corallo in the Mueller investigation.

It’s been a rough stretch for Trump’s legal advisers.

​The lead lawyer on Trump’s team, John Dowd, stepped down last Thursday, over disagreement on ​to approach Mueller’s probe.

Dowd, 77, who had been advising Trump since last summer, was against the president exposing himself to a sit down with Mueller.

The team suffered another blow when Ted Olson, the solicitor general for former President George W. Bush last week declined to come aboard, and raised the chaos in the White House for his decision.

“I think everybody would agree this is turmoil, it’s chaos, it’s confusion, it’s not good for anything,” Olson said Monday on MSNBC. “We always believe that there should be an orderly process, and of course, government is not clean or orderly ever. But this seems to be beyond normal.”

For now, Sekulow and Cobb are the core of the team.

Over the weekend, Trump in a tweet shrugged off any concern about any difficulty amassing a squad of legal eagles.

​”Many lawyers and top law firms want to represent me in the Russia case…don’t believe the Fake News narrative that it is hard to find a lawyer who wants to take this on. Fame & fortune will NEVER be turned down by a lawyer, though some are conflicted,” Trump posted on Twitter. “Problem is that a new lawyer or law firm will take months to get up to speed (if for no other reason than they can bill more), which is unfair to our great country – and I am very happy with my existing team. Besides, there was NO COLLUSION with Russia, except by Crooked Hillary and the Dems!”