What is every Big 12 Conference team's record against the over/under line as a home underdog in the 2014-2015 season?

Definitions
Team Over Record Over % Under % Total +/-
Texas Tech 5-4-0 55.6% 44.4% +1.1
TX Christian 2-3-0 40.0% 60.0% +1.0
Kansas St 1-3-0 25.0% 75.0% -3.9
Oklahoma St 0-1-0 0.0% 100.0% -4.0
W Virginia 0-1-0 0.0% 100.0% -25.0
Texas 0-0-0 0.0% 0.0% --