The best way for you to prove that is to show the old match tactics (hoping that this is not a supporter feature) and compare them to the game result. If they were in the left column and dressed, they have the chance to play in game. If you did not dress them but they somehow received minutes, only then was this a bug.
2x NBBA Champion: S55, S56. 3x USA Cup Champion: S54, S55, S56. WR for longest home streak ever at 11 in Season 47.