Spittin Chiclets, a Podcast mainly headlining Ray Withney and Paul Bissonette revealed the true reason as to why he fell down so much. It appears that the SKA (The team he liens up for in the KHL) would have revealed Michkov's true character:
With everything that's been going on in the KHL, the suspicious passing of his father, this needs to be taken with a grain of salt since he could've been a strategy to keep Michkov in Russia.
At the end of the day, it appears that 5 coaches took the SKA coaches words since the Ducks, the Blue Jackets, the Sharks, the Canadiens and the Coyotes all passed on him.