Nice Das Efx image.
Last season I consistently put my players in the 48-75 range and aimed for the 55-65 range. From the all-star break on, more than half the team was strong and the other half was proficient. This year seems on a similar path. Yes, there were weeks where a 65 minute player would go down while a 47 or 76 minute player would go up. It doesn't always make sense.
Some portion of game shape is random just like now some portion of training pops is random.
Just get between 48 and 75 and hope for the best.