Florida's defense is not the jaugernaut of college football, they just happen to have the 7th best defense in the nation statistically.
Defense
<TABLE class=data cellSpacing=1 cellPadding=2><TBODY><TR><TD class=datahl2> </TD><TD class=datahl2c>Record </TD><TD class=datahl2c>Rank </TD></TR><TR><TD class=datahl2>Total Yards</TD><TD class=datacellc>279.3</TD><TD class=datacellc>7</TD></TR><TR><TD class=datahl2>Passing Yards</TD><TD class=datacellc>174</TD><TD class=datacellc>15</TD></TR><TR><TD class=datahl2>Rushing Yards</TD><TD class=datacellc>105.3</TD><TD class=datacellc>14</TD></TR><TR><TD class=datahl2>Points Allowed</TD><TD class=datacellc>12.8</TD><TD class=datacellc>4</TD></TR><TR><TD class=datahl2>Field Goal %</TD><TD class=datacellc>84.6</TD><TD class=datacellc>107</TD></TR></TBODY></TABLE>
On the other hand;
Oklahoma's Defense is definitely not as good as Florida's
Defense
<TABLE class=data cellSpacing=1 cellPadding=2><TBODY><TR><TD class=datahl2> </TD><TD class=datahl2c>Record </TD><TD class=datahl2c>Rank </TD></TR><TR><TD class=datahl2>Total Yards</TD><TD class=datacellc>359.1</TD><TD class=datacellc>62</TD></TR><TR><TD class=datahl2>Passing Yards</TD><TD class=datacellc>253.1</TD><TD class=datacellc>100</TD></TR><TR><TD class=datahl2>Rushing Yards</TD><TD class=datacellc>106</TD><TD class=datacellc>16</TD></TR><TR><TD class=datahl2>Points Allowed</TD><TD class=datacellc>24.5</TD><TD class=datacellc>59</TD></TR><TR><TD class=datahl2>Field Goal %</TD><TD class=datacellc>58.3</TD><TD class=datacellc>23</TD></TR></TBODY></TABLE>
look at the offenses fl had to play then look who ou had to play
don't take the bowl games into account the only 2 big 12 teams that really wanted to be at their bowl games was neb & kansas gl everyone