He did throw some very tightly contested balls in the Super Bowl, esp. that one to Jennings where I still cannot believe Polamalu didn't take Greg's head off (post route into a deep Cover 2).
I think we see two repeated patterns late when he could actively make a different choice;
1. Short throw to back. I understand he might not trust Lacy and Starks hands, but sometimes someone else has to make a play.
2. Contested ball. Perhaps not as true of Nelson as it used to be (especially along sidelines) but Driver and Jones weren't bad at them.