Not sure if this was done before, but if you added all of Teddy's votes to Taft's in 1912, this is what you get:
William Taft/Nicholas Butler (Republican): 379 EVs, 50.57%
Woodrow Wilson/Thomas Marshall (Democrat): 152 EVs, 41.84%
Eugene Debs/Emil Seidel (Socialist): 0 EVs, 5.99%
In this...