History of Sean McDermott in Timeline
Sean McDermott is an American football coach who was the head coach of the Buffalo Bills (2017-2026). He started his NFL coaching career with the Philadelphia Eagles in 2001, eventually becoming their defensive coordinator (2009-2010). He then served as the defensive coordinator for the Carolina Panthers (2011-2016), reaching Super Bowl 50. In 2017, McDermott became the head coach of the Buffalo Bills.
1 hour ago : Sean McDermott's Charlotte Home Buy, Coaching Lessons After Bills Exit Revealed
Sean McDermott, former Buffalo Bills coach, purchased a $5M home in Charlotte. He also shared a lesson learned from Andy Reid that will shape his next coaching role after leaving the Bills.
March 21, 1974: Sean McDermott Born
On March 21, 1974, Sean Michael McDermott was born.
1992: All-Southeastern Pennsylvania
In 1992, Sean McDermott was named All-Southeastern Pennsylvania at defensive back.
1993: Graduation and Wrestling Championship
In 1993, Sean McDermott graduated from La Salle College High School and was a national prep champion wrestler.
1993: Bills AFC Championship Game Appearance
Three years into Sean McDermott's time with the Buffalo Bills, the Bills made their first AFC Championship Game appearance since 1993.
1995: Bills Clinch Division, Win Playoff Game
Three years into Sean McDermott's time with the Buffalo Bills, in 1995, the Bills clinched their division and won a playoff game for the first time since 1995.
1996: Academic All-Conference Honors
In 1996, Sean McDermott received Academic all-conference honors.
1997: All-Conference Safety
In 1997, Sean McDermott was an all-conference safety while at the College of William and Mary. He also received Academic all-conference honors in 1997.
1999: Joins Philadelphia Eagles
In 1999, Sean McDermott originally joined the Philadelphia Eagles as a scouting administrative coordinator.
1999: Bills Miss Playoffs
Sean McDermott's Buffalo Bills had been mostly unsuccessful in the 2000's and 2010's, and in 1999, they missed the playoffs.
2001: Joins Philadelphia Eagles
In 2001, Sean McDermott began his NFL coaching career as an assistant for the Philadelphia Eagles.
2001: Promotion to Coaching Staff
In 2001, Sean McDermott was promoted to Andy Reid's coaching staff with the Philadelphia Eagles.
2004: Assistant Defensive Backs Coach
In 2004, Sean McDermott became the assistant defensive backs coach for the Philadelphia Eagles, replacing Steve Spagnuolo.
2005: Dawkins Earns Pro Bowl Berth
Following the 2005 season, Brian Dawkins, under Sean McDermott's watch, earned a Pro Bowl berth.
2006: Dawkins Earns Pro Bowl Berth
Following the 2006 season, Brian Dawkins, under Sean McDermott's watch, earned a Pro Bowl berth.
2007: Assigned Linebackers Coach
In 2007, Sean McDermott was assigned linebackers coach for the Philadelphia Eagles.
January 28, 2008: Named Secondary Coach
On January 28, 2008, Sean McDermott was named the secondary coach for the Philadelphia Eagles.
May 18, 2009: Named Interim Defensive Coordinator
On May 18, 2009, Sean McDermott was named the interim defensive coordinator for the Philadelphia Eagles.
2009: Becomes Eagles Defensive Coordinator
In 2009, Sean McDermott became the defensive coordinator for the Philadelphia Eagles.
2010: Continues as Eagles Defensive Coordinator
In 2010, Sean McDermott continued his role as the defensive coordinator for the Philadelphia Eagles.
January 15, 2011: Fired as Defensive Coordinator
On January 15, 2011, Sean McDermott was fired as the defensive coordinator for the Philadelphia Eagles.
January 17, 2011: Hired as Panthers Defensive Coordinator
On January 17, 2011, Sean McDermott was hired as the defensive coordinator of the Carolina Panthers.
2011: Joins Carolina Panthers as Defensive Coordinator
In 2011, Sean McDermott became the defensive coordinator of the Carolina Panthers.
2012: Top Ten Overall Defense
In 2012, Sean McDermott led the Panthers to finishes in the top ten in overall defense.
2015: Top Ten Overall Defense
In 2015, Sean McDermott led the Panthers to finishes in the top ten in overall defense.
2015: Runner Up for Defensive Coordinator of the Year
In 2015, Sean McDermott was Pro Football Focus's second runner up to their Defensive Coordinator of the Year award.
2015: Reached Super Bowl 50
In the 2015 season, Sean McDermott and the Panthers reached Super Bowl 50.
February 7, 2016: Super Bowl 50
On February 7, 2016, Sean McDermott and the Carolina Panthers appeared in Super Bowl 50, where they lost to the Denver Broncos 24-10.
2016: End of Panthers Tenure
In 2016, Sean McDermott completed his sixth season with the Carolina Panthers.
January 11, 2017: Hired as Bills Head Coach
On January 11, 2017, Sean McDermott was hired by the Buffalo Bills as the 19th head coach in franchise history.
September 10, 2017: First Win as Bills Coach
On September 10, 2017, Sean McDermott won his NFL head coaching debut with the Bills in a 21-12 victory over the New York Jets.
2017: Hired as Buffalo Bills Head Coach
In 2017, Sean McDermott was hired as the head coach of the Buffalo Bills.
2018: Bills Finish 6-10
In 2018, Sean McDermott's Bills finished with a 6-10 record and missed the playoffs.
2019: Controversial Team Meeting
During a 2019 team meeting, Sean McDermott told the Bills team that they needed to work together like "the terrorists on Sept. 11, 2001", which was reported in December 2023.
2019: Nominated for NFL Head Coach of the Year
In 2019, Sean McDermott was nominated for NFL Head Coach of the Year after leading the Bills to a 10-6 record.
August 12, 2020: Contract Extension
On August 12, 2020, Sean McDermott signed a contract extension with the Buffalo Bills through 2025.
2020: Lost AFC Championship
In 2020, the Buffalo Bills lost to the Kansas City Chiefs in the AFC Championship game. Sean McDermott faced criticism for play calling.
2020: Many instances of growth and success for McDermott and the Bills.
The 2020 season was marked by growth and success for Sean McDermott and the Buffalo Bills as Josh Allen developed dramatically and the Bills won their first AFC East Division Title since 1995 and tied a franchise record for wins previously set in 1990 and 1991.
2021: Revealed Skin Cancer Treatment
In 2021, Sean McDermott revealed that he has been treated for skin cancer "several times" since at least 2017.
2021: Playoff Loss to Chiefs
In 2021, the Buffalo Bills lost a high-scoring playoff game to the Kansas City Chiefs 42-36 in overtime, resulting in a change to NFL overtime rules.
2022: Bills Finish 13-3
In the 2022 season, Sean McDermott led the Buffalo Bills to a 13-3 record and a first-place finish in the AFC East.
February 2023: Assumed Play-Calling Duties
Following Leslie Frazier's resignation in February 2023, Sean McDermott assumed play-calling duties on defense for the 2023 season.
June 23, 2023: Contract Extended Through 2027
On June 23, 2023, the Buffalo Bills announced Sean McDermott's contract had been extended through the 2027 season.
December 2023: Tyler Dunne Publishes Exploratory Article
In December 2023, independent journalist Tyler Dunne published an exploratory article into Sean McDermott's time as head coach of the Bills, with multiple critiques from Bills players and Dunne himself.
2023: Second on Bills' All-Time Wins List
As of the end of the 2023 season, Sean McDermott became second on the Bills' all-time wins list.
2024: Lost AFC Championship
In the 2024 season, Sean McDermott led the Bills to a 13-4 record, which included a loss to the Kansas City Chiefs in the AFC Championship.
2025: McDermott Fired
After the 2025 season, Sean McDermott was fired from his role as head coach for the Buffalo Bills.
2025: Guest Cameo in Hallmark Movie
In 2025, Sean McDermott made a guest cameo as himself in the Hallmark Channel original film, "Holiday Touchdown: A Bills Love Story".
2025: Bills Lose in Divisional Round
In 2025, Sean McDermott's Buffalo Bills lost in the Divisional Round to the Broncos in overtime.
January 19, 2026: McDermott Fired from Bills
On January 19, 2026, Sean McDermott was fired from his position as head coach of the Buffalo Bills after nine seasons.
Mentioned in this timeline
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