LJ, Miles and Ropati all ended last season injured and none of them seemed to carry the ball during spring camp. The health of RB1 has been an obvious, huge question for the last seven months... and it simply hasn't been addressed by media or players.
T3S threw out his nugget (thank you, Tex!) and McCann has been openly hinting, so the dam is beginning to leak. And I assume open discussions are happening in FO.