What is every Big 12 Conference team's record against the over/under line as a road underdog in the 2013 season?

Definitions
Team Over Record Over % Under % Total +/-
Iowa St 5-1-0 83.3% 16.7% +12.1
Kansas St 2-1-0 66.7% 33.3% +1.5
Texas Tech 1-1-0 50.0% 50.0% -0.5
W Virginia 2-2-0 50.0% 50.0% +5.6
Oklahoma 1-1-1 50.0% 50.0% -1.0
TX Christian 1-2-0 33.3% 66.7% -2.8
Texas 0-2-0 0.0% 100.0% -21.5
Kansas 0-5-0 0.0% 100.0% -9.7