He was the 1998 "Detroit Free Press" High School Football Coach of the Year, with his Detroit City Class-A runner-up team. At Cass, some of his athletes have included Vernon Gholston, and Marko Cooper, who was 1999 All-USA second team. One of the first star players he coached (as an assistant coach) was future Michigan Wolverines-leading rusher and NFL-athlete Clarence Williams. In 2007, Joseph Barksdale was the "Detroit News"' No. 1 Blue Chip Prospect, Parade All-American, U.S. Army All-American Bowl Participant (East Roster), USA Today All-USA High School First Team, The ESPN.com 150, Rivals.com Top 100 for 2007, Scout.com Hot 100 for 2007, and SuperPrep All-American. William Campbell also made the NFL. The 2010 team went 12–1 and lost 24–21 in the MHSAA Division I semifinals, when they fumbled on the 6-yard line on second-and-4 with less than a minute remaining. The 2011 team won the state Division 1 championship by 49–13 margin against Detroit Catholic Central High School at Ford Field with a freshman quarterback, Jayru Campbell, who also plays basketball and runs track. The 2012 team won the third consecutive district championship and qualified for the state Division I championships. The 2012 team defended their championship by defeating Detroit Catholic Central High School 36–21 at Ford Field in a rematch of the prior year's state championship match. The 2011 and 2012 state champions had a defensive backfield with future Michigan Wolverine and NFL players Jourdan Lewis and Lano Hill. In 2013, Detroit Catholic Central upset Cass Tech in the state semifinals by a 28–0 score. The following year, Saline High School upset Cass Tech in the 2014 state semifinals 30–15. In 2015, Cass tech reached the 2015 MHSAA Division 1 state final game at Ford Field, but lost to Romeo High School after losing starting quarterback Rodney Hall earlier in the playoffs. In 2016 with Hall at quarterback, Cass Tech went undefeated to win the MHSAA Division 1 state championship over Detroit Catholic again. In 2017, Cass Tech lost to West Bloomfield High School in the MHSAA Division I semifinals. Wilcher is also the Cass boys' track and field coach. The team won the MHSAA Class A track and field championships in 1994, 1995, and 1996 under Wilcher. The team was state runner up in the MHSAA Lower Peninsula Division 1 Championships in 2001 and 2002.