That was the reason why the friendship between him and the rest of the Green Unit came to an end -- what in turn , explains the break - up of the unit at the 1989 World Championship .
Only Kasatonov remained loyal to his coah .
That was the reason why the friendship between Kasatonov and the rest of the Green Unit came to an end -- what in turn , explains the break - up of the unit at the 1989 World Championship .
Only Kasatonov remained loyal to his coah .