UNIVERSITY PARK — If holding a 20-point halftime lead over rival TCU wasn’t enjoyable enough for SMU fans, the crowd at Ford Stadium roared as it watched TCU head coach Sonny Dykes escorted to the locker room just 24 seconds into the second half.

TCU coach Sonny Dykes steered his team to an unbeaten regular season, an extraordinary Fiesta Bowl win over Michigan, and a trip to the national championship against Georgia. How fast things can go south in the game of college football.

Dykes was the winning coach each of the last four times the Dallas-Fort Worth rivals played. He is in his third season at TCU, which won the last two games in the series after he had led SMU to back-to-back wins in the series for the first time since 1992-93.

It's been a tough Saturday for Sonny Dykes. The TCU head coach was ejected from his team's game during the third quarter of the "Battle for the Iron

Emotions were running extremely high for TCU head coach Sonny Dykes during Saturday's game against SMU, so high that he was thrown out of the game by the officials after being penalized. Officials ejected Dykes from the sideline after receiving back-to-back unsportsmanlike conduct penalties in the game.

Horned Frogs head coach, who has also coached SMU, was ejected in third quarter of non-conference rivalry game.

TCU football coach Sonny Dykes has coached on both sides of the 'Battle for the Iron Skillet.' Here's everything you need to know on Dykes:

Sonny Dykes was ejected from TCU’s game vs. SMU after receiving a pair of unsportsmanlike conduct penalties early in the 3rd quarter.