Complex sentence: The game does not feature any MLB player who is not a member of the Major League Baseball Players Association, however there are some fictional players in the game that are similar to these missing players, most notably Reggie Stocker for Barry Bonds.
Split into simpler sentences: The game does not feature any MLB player who is not a member of the Major League Baseball Players Association. However, there are some fictional players in the game that are similar to these missing players, most notably Reggie Stocker for Barry Bonds.