Matt Williams is a retired MLB third baseman who played from 1987-2003 for the San Francisco Giants, Cleveland Indians and Arizona Diamondbacks. He won a World Series with the Diamondbacks and is a member of the Giants Wall of Fame.
Maurice Cheeks is a Hall of Fame guard who played in the NBA from 1978-1993 and enjoyed most of his success with the Philadelphia 76ers, with whom he won an NBA championship in 1983.
Merril Hoge played fullback for the NFL's Pittsburgh Steelers from 1987-1993 and later worked as an NFL analyst for ESPN. He played college football at Idaho State.
As one of women soccer's all-time greats and most recognizable names, Mia Hamm helped lead the U.S. Women's National Team to two Olympic gold medals and two FIFA World Cup titles.
One of the top race car drivers in CART history, Michael Andretti won 42 races in his career. The son of racing legend Mario Andretti, he is a member of the Motorsports Hall of Fame America.
Michael Cuddyer played in the majors for 15 years and is best remembered for the 11 seasons he spent with the Minnesota Twins. He was a two-time All-Star and is a member of the Twins Hall of Fame.
Michael Irvin is a Hall of Fame wide receiver who played for the Dallas Cowboys from 1988 - 1999. He won three Super Bowl titles with the Cowboys and was five times named to the Pro Bowl.
Michael Waltrip is a retired NASCAR driver and brother of Darrell Waltrip who won the 2001 and 2003 Daytona 500. Since retiring he has worked as a racing analyst for Fox Sports.
Mike Golic is co-host of "Golic & Wingo" on ESPN. He previously co-hosted the long-running "Mike & Mike" show. Prior to his broadcast career, Golic played for the NFL's Philadelphia Eagles.
Mike Gundy has served as head football coach at Oklahoma State since 2005 and is the winningest coach in school history. He led the Cowboys to their first outright Big 12 title in 2011.
Mike Holmgren is the former head coach of the Green Bay Packers and Seattle Seahawks. He led the Packers to a win in Super Bowl XXXI over the New England Patriots.
Mike McCarthy has served as head coach of the Green Bay Packers since 2006 and led the team to a victory over the Pittsburgh Steelers in Super Bowl XLV.
Mike Modano spent all but one season of a career that spanned from 1989-2011 playing for the Minnesota North Stars/Dallas Stars. He became a member of the Hockey Hall of Fame in 2014.
Mike Moustakas currently plays third base for the Cincinnati Reds. He previously played for the Milwaukee Brewers and Kansas City Royals. He won a World Series with the Royals in 2015.
Mike Mussina is a Hall of Fame pitcher who played from 1991-2008 for the Baltimore Orioles and New York Yankees. He was a five-time All-Star and seven-time Gold Glove Award winner.
Mike Richards is a Canadian pro ice hockey centre and an alternate captain for the Los Angeles Kings. He previously played for, and was captain of, the Philadelphia Flyers.
Mike Tomlin is the current head coach of the Pittsburgh Steelers. On February 1, 2009, Tomlin became the youngest head coach in NFL history to win a Super Bowl.
Mike Vrabel is the current head coach of the Tennessee Titans and a former linebacker who is best remembered for his time with the New England Patriots, with whom he won three Super Bowls.
Missy Franklin won a total of six medals, including five gold, at the 2012 and 2016 Summer Olympics. She also set a total of four world records during her career in the backstroke and medley relay.
Mitch Richmond played in the NBA from 1988-2002, primarily with the Golden State Warriors and Sacramento Kings. He was the 1989 NBA Rookie of the Year and a six-time All-Star.
Mo Vaughn is a retired first baseman who played from 1991-2003 for the Boston Red Sox, Anaheim Angels and New York Mets. Vaughn won the American League MVP award in 1995.