Patrick Mahomes completed 27 of 38 passes for 262 yards, two touchdowns and one interception, and the Kansas City Chiefs held on for a 27-20 win over the host Las Vegas Raiders on Sunday afternoon.Travis Kelce had 10 catches for 90 yards and a touchdown for Kansas City (7-0), which is the NFL’s last unbeaten team this season. Kareem Hunt added a touchdown on the ground and Xavier Worthy had a TD catch.Gardner Minshew completed 24 of 30 passes for 209 yards and two touchdowns for Las Vegas (2-6). Jakobi Meyers and D.J. Turner had one touchdown catch apiece.Kansas City outgained Las Vegas 334-228. The Chiefs converted 12 of 16 opportunities on third down for a 75 percent success rate, and the Raiders converted six of 13 third-down chances for a 46 percent success rate.The Chiefs opened the scoring on their first possession. Hunt finished the 70-yard drive with a 1-yard run for his fourth touchdown in as many games this season.The Raiders evened the score at 7-7 with 2:39 remaining in the first quarter. Minshew connected with Meyers for a 7-yard touchdown to complete a 12-play, 70-yard drive.Daniel Carlson drilled a 54-yard field goal to put the Raiders on top 10-7 with 10:13 to go in the second quarter.Kansas City regained a 14-10 lead with 1:57 left in the second quarter. Mahomes spotted Kelce open near the goal line and fired a strike for a 5-yard score.Harrison Butker added a 42-yard field goal to increase the Chiefs’ lead to 17-10 with 4 seconds left in the first half.