Here are some of the people in the sports world celebrating birthdays on July 30:

Bud Selig

Age: 78

Profession: MLB Commissioner

Best Known For: Serving as the Commissioner of Major League Baseball since 1992, Allan ‘Bud’ Selig has presided over the sport’s most tumultuous era. In addition to the players’ strike that canceled the 1994 post-season, the introduction of inter-league play and the expansion of the playoffs. Selig has seen baseball work its way through a series of performance enhancing drug allegations against some of its greatest stars, such as Mark McGwire, Sammy Sosa, Barry Bonds and Roger Clemens. During Selig’s tenure, baseball has seen record increases in both revenue and attendance. Prior to assuming the duties of commissioner, Selig was owner and team president of the Milwaukee Brewers.

Clint Hurdle

Age: 55

Profession: Retired MLB Player / MLB Manager

Best Known For: After a mediocre 10-year career with the Kansas City Royals, Cincinnati Reds, St. Louis Cardinals and New York Mets, Clint Hurdle became a major league manager. Hurdle managed the Colorado Rockies from 2002 to 2009, taking the team to the 2007 World Series. Hurdle now manages the Pittsburgh Pirates.

Daley Thompson

Age: 54

Profession: Retired Olympian

Best Known For: One of Great Britain’s greatest athletes, Daley Thompson won the gold medal in the decathlon in the 1980 and 1984 Summer Olympics. Thompson set the world record for the event four times and was undefeated in all competitions between 1979 and 1987.

Chris Mullin

Age: 49

Profession: Retired NBA Player / Analyst

Best Known For: A five-time NBA All-Star, Chris Mullin was among the best outside shooters of his era. Mullin played for the Golden State Warriors and Indiana Pacers from 1985 to 2001, averaging 18.2 points per game during his career. While in college at St. John’s, Mullin was named Big East Player of the Year from 1983 to 1985. Mullin was a member of the US men’s Olympic team in 1984 and the ‘Dream Team’ in 1992.

He was inducted into the Basketball Hall of Fame in 2011. Mullin is currently an NBA analyst for ESPN.

Jürgen Klinsmann

Age: 48

Profession: Retired Soccer Player / Manager

Best Known For: Currently the coach of the US men’s national soccer team, Jürgen Klinsmann is one of soccer’s all-time greats. In 1990, Klinsmann helped his native West German team to the FIFA World Cup. Prior to accepting the US job, Klinsmann managed the German national team from 2004 to 2006, including a third-place finish in the 2006 World Cup.

Markus Naslund

Age: 39

Profession: Retired NHL Player

Best Known For A five-time NHL All-Star, Markus Naslund enjoyed a long and distinguished pro hockey career from 1990 to 2010 with the Pittsburgh Penguins, Vancouver Canucks and New York Rangers. Naslund has also played extensively the Elitserien in Modo Hockey and been a member of the Swedish national team in four World Championships, two World Cups and one Winter Olympics.

Justin Rose

Age: 32

Profession: PGA Golfer

Best Known For: A winner of 11 PGA Tour events since 1998, Justin Rose was recently ranked as one of the top 10 golfers in the world. Rose’s most recent victory was at the WGC-Cadillac Championship at Doral Golf Resort & Spa in 2012.