Frank Gore scores vicious knockout in pro boxing debut on his birthday

Fox News Flash top headlines are here. Check out what's clicking on Foxnews.com.

Frank Gore celebrated his 39th birthday Saturday by scoring a knockout in his professional boxing debut. 

Gore, the third running back in NFL history to record 16,000 rushing yards, is no stranger to electric performances. 

During Saturday’s Gamebred Boxing event in Mississippi, Gore landed a vicious right-hand punch against Yaya Olorunsola in the fourth round, knocking Olorunsola out cold and sending him face-first into the canvas.

CLICK HERE FOR MORE SPORTS COVERAGE ON FOXNEWS.COM

"Today was a great day!!! Want to thank my team for all the hard work," Gore wrote on Twitter after the match. 

Saturday's fight marked Gore's professional debut, but it wasn't first boxing match.

Frank Gore during a fight against Deron Williams Dec. 18, 2021, in Tampa, Fla.  (Mike Ehrmann/Getty Images)

Gore previously fought former Utah Jazz guard Deron Williams in an exhibition bout Dec. 18, losing via split decision at the Amalie Arena in Tampa, Florida.

Frank Gore during a fight against Deron Williams Dec. 18, 2021, in Tampa, Fla. (Mike Ehrmann/Getty Images)

Last month, the San Francisco 49ers legend told TheSFNiners podcast he planned on signing a one-day contract with the 49ers in the next "couple of months,"

FRANK GORE SAYS HE'LL SIGN 1-DAY CONTRACT, RETIRE WITH 49ERS AFTER 16 SEASONS IN NFL

The signing will allow Gore to retire with the team that drafted him in the third round in 2005. 

Gore spent the first 10 seasons of his career in San Francisco, where he made the Pro Bowl five times and rushed for at least 1,000 yards in eight of those seasons. 

Frank Gore of the San Francisco 49ers against the Arizona Cardinals at Levi's Stadium in Santa Clara,