11. They will also use plenty of one-back formations . 12. From the I-back formation , Frazier generated 169 . 4 yards of offense per game last season. 13. A play that begins with the number 12 means a one-back formation with two tight ends. 14. The name " Rother " for the river is a back formation from " Rotherbidge ". 15. Hackett said he envisions MacKenzie, Jabari Jackson and Frank Strong playing in split-back formations next season. 16. However it's a back formation from the later overhead cam engines to indicate the previous types. 17. Malaefou MacKenzie is returning from a knee injury and will play tailback, probably in split-back formations . 18. A surprise this season could be sophomore Chad Pierson running the ball out of the single-back formation . 19. This formation is most often associated with Florida State University offense, which favors a Split Backs formation . 20. It is believed that it was renamed the Roach in what is known as a back formation .