Hitting was too easy before. It‘s more balanced now. Hate to be THAT guy, but perhaps y’all need to learn to hit better. SDS made the change because batting averages across the board were too high. Y’all just happen to not be as good of hitters as the average player apparently.
I believe it's the total ratings adjustment for your roster where you see a +1, +2, etc, when a player is hot or cold.
Mine doesn’t show it anywhere in my purchases. The PSN store says it’s “Not available for purchase”.