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

Definitions
Team Over Record Over % Under % Total +/-
TX Christian 1-0-0 100.0% 0.0% +14.0
Kansas 4-1-0 80.0% 20.0% +4.1
Iowa State 3-1-0 75.0% 25.0% +8.0
W Virginia 2-1-0 66.7% 33.3% +9.8
Texas Tech 1-1-0 50.0% 50.0% -6.5
Oklahoma St 0-1-0 0.0% 100.0% -13.5
Kansas St 0-1-0 0.0% 100.0% -13.0
Texas 0-1-0 0.0% 100.0% -10.5