Can BF3 lower the sales of MW3 (less than 20 million combined)?

[Slimebeast]

Yes, less than 20 million for MW3. I believe MW3 will sell 11 million on Xbox and 8.9 million on PS3, which totals only 19.9 million.

Battlefield 3 will sell 7 million on Xbox and 6 million on PS3, totals 13 million.