In the night's main event, UFC veteran Bobby Voelker did what he does—savage sh*t. 

Facing Darrius Flowers, Voelker was in trouble early, but he persevered, pouring on the pressure in Round 2 to earn the TKO victory. "Vicious" is now 8-1 since being released by the UFC, and each fight is somehow more exciting than the last.

Elsewhere on the card, Shane McKay and Jacob Thrall combined for Shamrock FC history. 

Facing Joshua Taylor, McKay charged out of the gates and landed a right hand from hell, flooring his opponent and ending the fight in just four seconds. Yes... Four. Seconds. 

While that marked the fastest knockout in Shamrock FC history, Thrall gave it a run for its money, finishing Dillon Tolbert on the night's main card in just nine seconds courtesy of a right hand, high kick, and some follow-up punches. 

Together, the two put in a total of 13 seconds of cage time and walked away with two knockout victories. 

Not. Bad. 

Full Shamrock FC 313 Results

Bobby Voelker def. Darrius Flowers via TKO, Round 2

Jacob Thrall def. Dillon Tolbert via TKO, Round 1

Horacio Escobar def. Drake Heitfield via submission (kimura), Round 1

Zach Scroggins def. Isaac Lyons via unanimous decision (wins Shamrock FC middleweight title)

Andrew Floyd def. James Regina via TKO, Round 1 

Connor Shepherd def. Edwin Rowe via unanimous decision 

Lainey Nations def. Krista Camarillo via submission (rear-naked choke), Round 1

Logan Pirl def. Cody Gillenwater via unanimous decision 

Shane McKay def. Joshua Taylor via KO, Round 1

Kayla Williams def. Tawanna Simms via TKO, Round 1

Jake Wilson def. Keenan Richcreek via KO, Round 1

Hunter Gore def. Daryoosh Noori via unanimous decision