It could be sway by line up construction here's an intersting list of the OPS/Runs/HRS for the batting orders by slot
NL
1) 732/180/1176
2) 734/146/1071
3) 836/291/1122
4) 789/272/1008
5) 794/265/989
6) 746/202/812
AL
1) 695/79/987
2) 742/162/929
3) 788/192/911
4) 823/279/915
5) 793/232/813
6) 738/200/719
You can see the Huge discrepancy in the number for the 1 and 3 hitters in the NL; two of the 3 player guaranteed to bat in the first inning.
Now do you have the stats for how this turned out for 2009 and/or 2008
NL
1) 732/180/1176
2) 734/146/1071
3) 836/291/1122
4) 789/272/1008
5) 794/265/989
6) 746/202/812
AL
1) 695/79/987
2) 742/162/929
3) 788/192/911
4) 823/279/915
5) 793/232/813
6) 738/200/719
You can see the Huge discrepancy in the number for the 1 and 3 hitters in the NL; two of the 3 player guaranteed to bat in the first inning.
Now do you have the stats for how this turned out for 2009 and/or 2008