Personally, right now, I'm not a fan of the current version. I feel it's a step in the wrong direction. The league I'm in has done 3 pre-season games so far and based off my observations, here is what has changed
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Points: My team has gone from scoring 13.3 pts/game (first 3 pre-season games in 2019) to 4.0. Now, I will put a small amount of that to a change in coaching staff, but to drop almost 10 points in just three games, when the team has 99% stayed the same is not a good sign. On the flipside, the team has gone from allowing 15.6 pts/game to 23.6pts/game. Compare that between our S1 and S2, when the team went from 15pts/game scored to 13.3pts/game and 14pts/game allowed to 15.6pts/game. A tiny margin of change in those points scored and points allowed, which was understandable and frankly, acceptable. I'd expect the game engine to adapt in that way, not in a drop of almost 10 points a game scored, and an additional 8 points a game for my opponents.
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Coaching Staff: My entire coaching staff who focus on the offense all have the same offensive style, and the same for the defense (same defensive style), yet, that seems to make no difference to anything, in fact, it looks worse. My team runs a possession offense, yet in those same current 3 pre-season games, I've seen the team hold the ball for around 30mins/game, that has gone down to around 24mins/game. When every single offensive coach has the same offensive style, and every defensive coach has the same defensive style. Shouldn't that be something??? The previous season, coaches were a mix-match and yet, possession has gone down 6 mins/game (on average).
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Injuries: Way too many injuries now. 8 injuries in pre-season game 1, 4 injuries in pre-season game 2, 5 injuries in pre-season game 3. So far, in just three pre-season games, 17 injuries. Compare that to last season, (2 in game 1, 6 in game 2, 3 in game 3). 11 in 3 games. Even that is a little high, I don't think I've seen any real-life NFL game with 11 injuries on a team in three weeks.
I personally enjoy MFN, I have enjoyed it over the two previous seasons I've been a part of it, but this season just seems to be a step backwards.