These are the stat modifiers...

Offense	League Value
Completions	1
Passing Yards	40 yards per point; 2 points at 350 yards
Passing Touchdowns	6
Interceptions	-6
Sacks	-2
Rushing Yards	15 yards per point; 2 points at 125 yards
Rushing Touchdowns	6
Receptions	1
Reception Yards	15 yards per point; 2 points at 100 yards
Reception Touchdowns	6
Return Yards	15 yards per point; 2 points at 125 yards
Return Touchdowns	6
2-Point Conversions	2
Fumbles Lost	-3
Offensive Fumble Return TD	6
Kickers	League Value
Field Goals 0-19 Yards	3
Field Goals 20-29 Yards	3
Field Goals 30-39 Yards	3
Field Goals 40-49 Yards	4
Field Goals 50+ Yards	5
Field Goals Missed 0-19 Yards	-4
Field Goals Missed 20-29 Yards	-3
Field Goals Missed 30-39 Yards	-2
Field Goals Missed 40-49 Yards	-1
Point After Attempt Made	1
Point After Attempt Missed	-3
Defense/Special Teams	League Value
Sack	1
Interception	3
Fumble Recovery	3
Touchdown	8
Safety	2
Block Kick	3
Return Yards	15 yards per point; 2 points at 125 yards
Kickoff and Punt Return Touchdowns	8
Points Allowed 0 points	12
Points Allowed 1-6 points	8
Points Allowed 7-13 points	4
Points Allowed 14-20 points	0
Points Allowed 21-27 points	0
Points Allowed 28-34 points	-4
Points Allowed 35+ points	-8
Defensive Players	League Value
Tackle Solo	1
Tackle Assist	.5
Sack	2
Interception	3
Fumble Force	2
Fumble Recovery	3
Defensive Touchdown	6
Safety	2
Pass Defended	1.5
Block Kick	3