Summers Adds Talent to Defensive Staff

FORT COLLINS – Defensive Coordinator Tyson Summers has announced the addition of four defensive coaches to his room, adding Matt Ah You as nickelbacks coach, Clint Sintim to coach linebackers, Nigel Madison at corners and former Ram Trent Matthews as run-game specialist.

Matt Ah You – Nickelbacks
Matt Ah You (pronounced Eye You) comes to Colorado State after spending the past four seasons at Weber State coaching linebackers. Prior to Ogden, Ah You was at his alma mater as an analyst coaching safeties. The BYU grad started his coaching career at Utah State as a defensive grad assistant before spending the 2017 season at Oregon State helping in the linebacker room.

Ah You played linebacker at BYU for three seasons, starting as a true freshman. He took his LDS Mission after his sophomore year before returning for his junior season in 2008. He transferred to Central Washington for his final season but suffered a season-ending foot injury in the opener. After being granted another year of eligibility, Ah You transferred to Utah State in 2010 where a nagging shoulder injury finished his career.

Prior to coaching he was a police officer for Los Angeles County sheriff's department and Santa Ana police department.

"I had an opportunity to meet Matt a couple of weeks ago and instantly knew I wanted him to be part of our staff," said coach Summers. "Matt is extremely intelligent, humble and very confident in his ability to connect and communicate with our players. I was blown away with how he coached and how he forms and builds relationships."

Matt Ah You Timeline
2025: Colorado State (Nickelbacks)
2020-2024: Weber State (Linebackers)
2018-19: BYU (Analyst – Safeties)
2017: Oregon State (Graduate Assistant – Linebackers)
2015-16: Utah State (Graduate Assistant – Defensive)

Playing Career (Linebacker)
College: BYU (2003-04, 2008); Central Washington (2009); Utah State (2010)

Clint Sintim – Linebackers
Clint Sintim was previously at Illinois as the outside linebacker coach for the 2024 season. Prior to the Fighting Illini, Sintim spent the previous four years as a defensive coach with Virginia. He coached the Cavaliers defensive line and linebackers while in Charlottesville. Before returning to this alma mater, Sintim spent three seasons at Delaware and Richmond, coaching on the defensive side of the ball.

During his time playing in Charlottesville, he led the NCAA in sacks by a linebacker his final season, finishing with 11, including 70 total stops with 13 TFLs. His first season with the Cavaliers he earned Freshman All-American honors and the ACC Defensive Freshman of the Year. Sintim was drafted by the New York Giants in the second round of the 2009 NFL draft. He played two seasons in New York, before a knee injury sidelined him for the 2011 and 2012 campaigns. He was part of the Super Bowl 2012 championship before announcing his retirement as a player in 2013.

After his NFL playing career, Sintim spent the 2014 season with the West Alabama Tigers as the outside linebackers coach and assisted with special teams as part of the NFL Players Association Coaching Internship Program. Prior to the 2016 season, Sintim took part in the NFL Minority Internship Program and worked with the Washington Redskins during their preseason camp.

"I am thrilled to have Clint be part of our staff," said coach Summers. "Clint has been a big part of championship programs in both the Big 10 and in the ACC. He was a 2nd round draft pick and Super Bowl winner. He is very intelligent and a great communicator with young people."

Clint Sintim Timeline
2025: Colorado State (Linebackers)
2024: Illinois (Linebackers)
2020-23: Virginia (Defensive Line, 2020-21; Linebackers, 2022-23)
2017-19: Delaware (Outside Linebackers, 2017; Co-Special Teams Coordinator / Outside Linebackers, 2018-19)
2015-16: Richmond (Outside Linebackers)
2014: Virginia (Graduate Assistant – Defense
2013: West Alabama (Outside Linebackers / Special Teams Coach)

Playing Career (Linebacker)
College: Virgina (2005-08)
Professional: NFL Draft – Rd. 2, Pick 45 / New York Giants (2009-11)

Nigel Madison – Cornerbacks
Prior to Colorado State, Nigel Madison spent two seasons at Sacred Heart (FCS) as the inside linebackers coach. Madison had his first full-time coaching position with Oregon in 2022 as a defensive analyst, helping the Ducks win the Holiday Bowl against North Carolina. Madison started his coaching career after his playing career at Concordia – Ann Arbor. He left Ann Arbor to be a graduate assistant with the defensive line at FIU before heading to Buffalo for the same role with the linebackers.

"I've known Nigel for the past three or four years and he is an incredibly intelligent coach," said coach Summers. "While he was at Oregon, coach Dan Lanning called me about Nigel and said, 'this is going be a guy that you want to have on your radar in the future'; great up and coming young coach and we're excited to have him lead our cornerbacks and part of our secondary."

Nigel Madison Timeline
2025: Colorado State (Cornerbacks)
2023-24: Sacred Heart (Linebackers)
2022: Oregon (Analyst – Defense)
2021: Buffalo (Graduate Assistant – Linebackers)
2020: FIU (Graduate Assistant – Defensive Line)
2018-19: Concordia – Ann Arbor (Defensive Line)

Playing Career (Defensive Line)
College: Concordia – Ann Arbor (2013-17)

Trent Matthews – Run-Game Specialist
Trent Matthews comes back to Colorado State as a run-game specialist and will help work with the defensive front. He spent the past two seasons at Colorado Mesa as the defensive coordinator. Prior to Mesa, Matthews was the co-defensive coordinator and cornerbacks coach at Converse Judson HS in San Antonio, Texas. Matthews spent a year as the secondary coach at Northern Colorado after starting in the coaching ranks at Colorado State in 2018, working with the defensive backs and nickels.

Matthews was a four-year starter at Colorado State, recording 273 tackles, 18 pass break-ups and double-digit intercepted passes while playing DB. He was also a two-time All-Mountain West selection over his time at CSU and finished in the top 10 in school history in interceptions, games played and started. Matthews was on the Jim Thorpe and Danny Wuerffel Award watchlists during his time at CSU.

"Trent is a CSU Ram; bleeds Green and Gold," said coach Summers. "We are thrilled to be able to have his energy and excitement for Fort Collins and CSU back in our program and community."

Trent Matthews Timeline
2025: Colorado State (Run-Game Specialist)
2022-24: Colorado Mesa (Defensive Coordinator)
2020-21: Converse Judson HS (Co-Defensive Coordinator / Cornerbacks)
2019: Northern Colorado (Secondary)
2018: Colorado State (Graduate Assistant – Defense)
2016: Denton HS (Wide Receivers)

Playing Career (Safety)
College: Colorado State (2011-15)
Professional: CFL – Edmonton Eskimos (2017); NFL – Miami Dolphins (2017)

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