Yes, higher practice ratings greatly affect a player's performance.
Also, it looks like you're overplaying your starters and underplaying your reserves.
Try to get as many players around 60 minutes as you can, and don't play your starters in scrimmages if they've exceeded 48-60 minutes.
NO ONE at this table ordered a rum & Coke
Charles: Penn has some good people
A CT? Really?
Any two will do
Any three for me
Any four will score
Any five are live