Buy-side firms want to see who is doing the best job of execution and they need TCA as investors and regulators expect more from them in fiduciary responsibility.

FORBES: When Total Cost Analysis (TCA) Breaks Down

"We had some very uncharacteristic turnovers, which is a sign that I've got to do a better job of execution, making sure the right people have the ball in the hands, or there was a little bit of losing your composure, " Mulkey said.

NPR: No. 1 Baylor Holds On, 77-69 Over Oklahoma State

Of course it makes our job harder because the standard of execution that applies to us is very, very high.

CNN: Brickbats for Bill