- Mar 1 Chris Webber, American basketball forward (NBA All-Star 1997, 2000–2003; Washington Bullets/Wizards, Sacramento Kings) and broadcaster (NBA Gametime Live; TNT), born in Detroit, Michigan
- Mar 2 Trevor Sinclair, English soccer winger (12 caps; Blackpool, West Ham, QPR, Manchester City), born in Dulwich, England
- Mar 2 Dejan Bodiroga, Serbian basketball forward (FIBA World Cup 1998 [MVP], 2002, Yugoslavia; EuroLeague Final Four MVP 2002, 03; Panathinaikos, FC Barcelona), born in Klek, Serbia
- Mar 3 Cory Raymer, NFL center (Washington Redskins)
- Mar 3 James Dexter, tackle (Arizona Cardinals)
- Mar 3 Jim Mills, tackle (San Diego Chargers)
- Mar 3 Tisha Venturini, Modesto California, soccer midfielder (Olympics 1996)
- Mar 3 Winslow Oliver, running back (Carolina Panthers)
- Mar 3 Romāns Vainšteins, Latvian cyclist
- Mar 4 Phillip Daniels, NFL defensive end (Seattle Seahawks)
- Mar 5 Nicole Pratt, Australian tennis star (1995 Futures Australia), born in Mackay, Queensland
- Mar 5 Paul Lieftink, Dutch soccer player (NAC, Spakenburg)
- Mar 5 Yannis Anastasiou, Greek footballer
- Mar 5 Ryan Franklin, American baseball player
- Mar 6 Brian Olson, middleweight (189 lbs) judoka (Olympics 1996), born in Tallahassee, Florida
- Mar 6 Greg Ostertag, NBA center (Utah Jazz)
- Mar 6 Michael Finley, NBA guard/forward (Phoenix Suns/Dallas Mavericks)
- Mar 6 Terry Adams, pitcher (Chicago Cubs), born in Mobile, Alabama
- Mar 7 Ray Parlour, English footballer (Arsenal), born in Romford, England
- Mar 8 Kendell Watkins, NFL tight end (Dallas Cowboys)
- Mar 8 Kurt Mollekens, Belgian racing car driver
- Mar 8 Justin Thompson, American baseball player
- Mar 9 David Prinosil, German tennis star (1995 ATP Newport), born in Olomouc, Czechoslovakia
- Mar 10 Mauricio Taricco, Argentine footballer
- Mar 10 Chris Sutton, English soccer striker, manager, broadcaster (1 cap; Blackburn Rovers, Celtic; BT Sport, BBC Radio 5 Live, BBC Sport.), born in Nottingham, England
- Mar 11 Mike Mihelic, CFL offensive tackle (Winnipeg Blue Bombers)
- Mar 11 Sammie Brennan, CFL defensive back (BC Lions)
- Mar 11 Tony Veland, NFL defensive back (Denver Broncos-Super Bowl 32)
- Mar 11 Martin Hiden, Austrian footballer
- Mar 12 Antonio Banks, cornerback (Minnesota Vikings)
- Mar 12 Gabriel Mendez, Australian soccer midfielder (Olyroos, Olympics 1996)
- Mar 12 Keif Bryant, NFL defensive end (Seattle Seahawks)
- Mar 12 Louis Laros, Dutch soccer player (Willem II, Vitesse)
- Mar 13 Bobby Jackson, American NBA guard (Denver Nuggets), born in Salisbury, North Carolina
- Mar 13 Dan Wilkinson, American NFL defensive tackle (Cin Bengals), born in Dayton, Ohio
- Mar 13 Edgar Davids, Dutch soccer player (Ajax, AC Milan), born in Paramaribo, Suriname
- Mar 14 Chris Sullivan, defensive end (New England Patriots)
- Mar 16 Bert Zuurman, soccer player (SC Heerenveen)
- Mar 17 Jerome Woods, American NFL safety (KC Chiefs), born in Memphis, Tennessee
- Mar 18 Marlon Kerner, NFL cornerback (Buffalo Bills)
- Mar 18 Rob Johnson, NFL quarterback (Jacksonville Jaguars)
- Mar 19 John Michels, NFL tackle (Green Bay Packers-Super Bowl 31)
- Mar 20 Nico Boje, cricketer (South African ODI left-arm spinner 1996)
- Mar 20 Norman Tome, Australian soccer striker (Olyroos, Olympics 1996)
- Mar 21 Larry Bowie, running back (Washington Redskins)
- Mar 21 Stuart Nethercott, English footballer
- Mar 22 Joe Nedney, kicker (Arizona Cardinals)
- Mar 22 Luther Elliss, NFL defensive end (Detroit Lions)
- Mar 23 Jason Kidd, Basketball Hall of Fame point guard, coach (10-time NBA All Star), born in San Francisco, California
- Mar 23 Kathy Carboy, diver (Olympics 1996), born in Cincinnati, Ohio
- Mar 23 Naoko Sawamatsu, Nishinomiya Japan, tennis star (1994 Singapore)
- Mar 23 Rob Lazeo, CFL offensive tackle (Saskatchewan Roughriders)
- Mar 23 Jerzy Dudek, Polish footballer
- Mar 23 Wim Eyckmans, Belgian racing driver
- Mar 24 Chip McCaw, volleyball setter (Olympics 1996), born in Chicago, Illinois
- Mar 24 David Moravec, hockey forward (Team Czech Olympic gold 1998)
- Mar 24 Josh Lakatos, trap shooter (Olympic silver 1996), born in Pasadena, California
- Mar 24 Philippe Boucher, St Apollinaire Ca, NHL defense (LA Kings, Olympic gold 1998)
- Mar 24 Jacek Bąk, Polish footballer
- Mar 25 Andrei Nikolishin, Vorkuta Russia, NHL center (Hartford Whalers)
- Mar 25 Bob Sura, NBA guard (Cleveland Cavaliers)
- Mar 25 Ray Zellars, NFL fullback (New Orleans Saints)
- Mar 25 Anthony Barness, English footballer
- Mar 26 Marshall Faulk, running back (Indianapolis Colts)
- Mar 26 Matt Burke, Australian rugby union fullback (81 caps; NSW Waratahs; Eastwood) and broadcaster (Network 10), born in Sydney, Australia
- Mar 27 Serge Tremblay, Canadian weightlifter (Olympics 1996), born in La Malbaie, Canada
- Mar 28 Andrew Whittall, cricketer (cousin of Guy Zimbabwe off-spinner 1996)
- Mar 29 Brad Bridgewater, American 200m backstroke (Olympic gold 1996), born in Charleston, West Virginia
- Mar 29 John Oppio, Sparks Nevada, double trap (Olympics 1996)
- Mar 29 Marc Overmars, Dutch soccer player (Ajax)
- Mar 29 Mark Platt, Peterborough Ontario, rower (Olympics 1996)
- Mar 29 Sebastiano Siviglia, Italian footballer
- Mar 30 Kareem Streete-Thompson, Caymanian-American 100m athlete and long jumper, born in Ithaca, New York
- Mar 30 Rodney Thomas, running back (Tennessee Oilers)
- Mar 30 Jan Koller, Czech footballer, born in Prague, Czechoslavakia
About March 1973
How Old? 47 or 48 years old
Generation: Generation X
Leap Year: No