Brock (6-5, 249) originally entered the NFL as an undrafted free agent with the Carolina Panthers in 2009. He joins the Chiefs after stints in Buffalo (2011-12), Oakland (2010-11), Dallas (2010), Chicago (2009-10), Pittsburgh (2009) and with the New York Jets (2009). He has played in two games, both with the Bills in 2011, recording two receptions for 27 yards (13.5 avg.). Since entering the NFL, Brock has primarily served as a practice squad member. The Hackensack, N.J., native, played tight end at Rutgers.
Dixon (6-4, 295) joins the Chiefs after three seasons with the New York Jets (2010-12). He played in 22 games (four starts), recording 21 tackles (15 solo), 2.5 sacks (-14.0 yards) and one pass breakup. He added one forced fumble and one fumble recovery. Dixon originally entered the NFL as an undrafted free agent with the Dallas Cowboys in 2008. The majority of his time with the Cowboys was spent on the club’s practice squad roster before being released on Sept. 4, 2010. Dixon attended Hampton University.
Gilyard (6-1, 187) joins Kansas City after stints with the New York Jets (2011-12), Philadelphia Eagles (2012) and St. Louis Rams (2010-11). He owns eight receptions for 78 yards (9.8 avg.), two punt returns for 15 yards (7.5 avg.) and 16 kickoff returns for 356 yards (22.3 avg.). Gilyard originally entered the NFL as a fourth-round draft pick (99th overall) of St. Louis in 2010. He was released by the Rams on Sept. 3, 2011 and acquired by the Jets the following day for his first go-round with the club. After being released by the Jets on Sept. 10, 2011, Gilyard signed with Philadelphia on Jan. 6, 2012. He rejoined the Jets on Nov. 28, 2012 before being released on Dec. 24, 2012. Gilyard was an All-American receiver at the University of Cincinnati.
— Chiefs Media Relations —