I took your numbers on Grossman's season predictions and figured 7yds per attempt, this is what I got:
Attempts: 414
Completions: 240
Passing Yards: 2900
Touchdowns: 25
Interceptions: 10
Comp.% Yards/Att. TD% Int.% NFL QB Rating
57.97/ 7.00/ 6.03/2.41/ 89.64
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