The Kansas City Chiefs signed tight end Noah Gray to a three-year contract extension on Thursday, according to multiple media reports.Contract terms were a value of $19.5 million including a $6 million signing bonus and $10 million guaranteed at signing, according to the NFL Network. ESPN, meanwhile, reported the deal was worth $18 million, including $10.1 million guaranteed.Kansas City opened the regular season at home against the Baltimore Ravens on Thursday night.Gray, 25, played in all 17 regular-season games and made a career-high 10 starts in the Chiefs’ two-tight end sets along with All-Pro Travis Kelce. Gray caught 28 passes for 305 yards and two touchdowns to tie or set his career highs for a single season.