Mack Brown has served as head football coach at the U. of North Carolina since 2019. He previously coached at the U. of Texas from 1998-2013 and led the Longhorns to a national title in 2005.
Madison Bumgarner pitched for the San Francisco Giants from 2009-2019 and played an integral role in the Giants' winning three World Series. He was named MVP of the 2014 Fall Classic.
Malcolm Butler is an NFL cornerback who currently plays for the Tennessee Titans. He previously played for the New England Patriots from 2014-2017 and won two Super Bowls.
Malcolm Jenkins currently plays safety for the New Orleans Saints. He began his NFL career in 2009 and has won two Super Bowls, one each with the Saints and Philadelphia Eagles.
Hall of Famer Marian Hossa played right wing in the NHL from 1997-2017. He was voted to five All-Star Games and won three Stanley Cup titles with the Chicago Blackhawks in 2010, 2013 and 2015.
Mario Andretti is considered one of the all-time greatest drivers in the sport of auto racing. He is the only driver ever to win the Indy 500, Daytona 500 and Formula One World Championship.
Mario Chalmers played in the NBA from 2008-2018 with the Miami Heat and Memphis Grizzlies. He won two NBA titles with the Heat along with an NCAA title at the University of Kansas in 2008.
Mario Cristobal is the current head football coach at the University of Miami. He previously served as head coach at Oregon and Florida International University.
Mark Dantonio served as head football coach at Michigan State for 13 seasons. He retired following the 2019 season as the winningest coach in school history and led the Spartans to three Big Ten titles.
Mark Herzlich played linebacker for the New York Giants from 2011-2017. While attending Boston College in 2009, Herzlich was diagnosed with and successfully beat a type of bone cancer known as Ewing's sarcoma.
Mark Ingram spent 12 seasons in the NFL, most notably for the New Orleans Saints. He played collegiately at the U. of Alabama and was the school's first-ever Heisman Trophy winner.
Mark Jackson is a retired guard who played for seven NBA teams from 1987 - 2004, including the New York Knicks & Indiana Pacers. He later became a head coach and broadcaster.
Mark May played for the Washington Redskins from 1981 - 1989. A member of the famed offensive line known as "The Hogs", May was a part of two Super Bowl-winning teams.
Hall of Fame Winger Mark Recchi spent 22 seasons playing in the NHL for seven teams. He won three Stanley Cups as a player with the Pittsburgh Penguins, Carolina Hurricanes and Boston Bruins.
Mark Teixeira played in the majors for 14 seasons and was named an All-Star three times, received five Gold Gloves and three Silver Slugger Awards. He won a World Series with the Yankees in 2009.
Marshal Yanda spent his entire 13-year career on the offensive line with the Baltimore Ravens. An 8-time Pro Bowler, Yanda is a member of the Ravens Ring of Honor.
Considered one of the greatest goalies in NHL history, Hall of Famer Martin Brodeur played 21 seasons for the New Jersey Devils and won three Stanley Cup titles.
Matt Carpenter has spent the majority of his career playing infield for the St. Louis Cardinals. He won a World Series title with the Cardinals in 2011.
Matt Cullen played forward in the NHL from 1997-2019. He was a three-time Stanley Cup champion, winning one title with the Carolina Hurricanes and two with the Pittsburgh Penguins.