I started a series exactly as you described, it was a FIFA 16 series "Road to FIFA 17" in the run up to the launch.
I ran it for 15 episodes before ending it as FIFA 17 was launched. Might be worth a look at.
ROAD TO FIFA 17
THE LONG ROAD BACK
#5: EFL Action plus Burnley vs. Arsenal
CHELSEA CUP TIE
PREMIER LEAGUE STARTS
RONALDO REGEN DEBUT!
New Recruits and 2 Tough Matches
SECOND SEASON BEGINS
New signing, plus two massive matches vs. Liverpool and Chelsea!
Have you tried lowering injury severity? I have it set on 5, still get severe injuries but in a more realistic fashion (2 or 3 per season)
FA CUP FINAL
PREMIER LEAGUE PUSH