By ROB MAADDI (AP Pro Football Writer)

LAS VEGAS (AP) — Patrick Mahomes, Travis Kelce and the Kansas City Chiefs are back-to-back Super Bowl champions.

Mahomes threw a 3-yard touchdown pass to Mecole Hardman with 3 seconds left in overtime, and the Chiefs rallied to beat the San Francisco 49ers 25-22 on Sunday, becoming the first repeat Super Bowl champs in 19 years and ninth overall.

With pop star Taylor Swift watching boyfriend Kelce from a suite, the Chiefs captured their third title in five years and firmly established themselves as a dynasty.

The NFL’s first Super Bowl in Las Vegas was a sloppy, mistake-filled affair that was mostly boring until the back-and-forth fourth quarter and OT. It was the second of 58 Super Bowls to go to overtime.

The Chiefs trailed 22-19 after Jake Moody kicked a 27-yard field goal on the first possession of overtime, but Mahomes rallied the Chiefs, completing another impressive comeback in a rematch of a Super Bowl four years ago.

Mahomes ran 8 yards on fourth-and-1 to keep the Chiefs’ chances alive and then scrambled 19 yards to set up the winning score.

After he connected with a wide-open Hardman, the Chiefs ran on the field as red-and-yellow confetti fell on the turf.

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