Why is Madden 10 so difficult?

hell yeah...I play for the lions and the o-line is amazing...the few problems I have is that Calvin Johnson drops like 2-4 easy pes a game...I lead the league in drops...also linebackers making one handed picks is amazing...throwing picks is way too easy..running backs breaking 5-6 tackles in one try is crazy...brandon jacobs is impossible to tackle...Adrian Peterson fumbles every 5 runs