Hello all, I haven't been following this thread too closely of late, but I thought I'd share a small tidbit of info on attribute progression. One of my players has just suffered a broken shoulder, and I noticed that his Agility immediately dropped by two points. This happened immediately after the game, so it's not the usual decrease that happens gradually when a player is injured and not in training.
So it appears that in the same way as match events can sometimes trigger an increase or decrease in certain attributes, injuries can sometimes immediately affect a player's physical attributes.