Three Way and Triclopyr is the safe mix on cool season turf. My experience with Three Way and/or Triclopyr on warm season turf is that only zoysia will tolerate effective rates under my conditions. I once used a mix containing both Triclopyr and MSM on a zoysia lawn infested with black medic. Did it ever work and no grow back from seed or roots.
They who can give up essential liberty to obtain a little temporary safety, deserve neither liberty nor safety.
Benjamin Franklin 1775
Sell not virtue to purchase wealth, nor Liberty to purchase power.
Benjamin Franklin Poor Richard's Almanac1738