The best replacement for big 12 is sec.

The best alternatives to big 12 are rated as following:
★★★★★  sec
★★  big 10
★★  sec football
★★  pac 10
★  sec football record
★  acc
★  big 10 record
★  big east
★  sec record
★  sec bowl games
★  pac 12
★  big 10 football
  sec bowl
  big ten
  sec bowl record

Your alternative for big 12 is not listed? Suggest!
Speaking about big 12, one probably shouldn't forget about pac 10.

Other search terms related to big 12 and their ratings are:
★★★★★ pac 10
You have in mind a companion for big 12 and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of big 12 in all years. Click on graph for more.
big 12
sec
big 10