A quick look at the U.S. roster:
Oldest: No. 2 goalkeeper Marcus Hahnemann will turn 38 on June 15. Other over-30s: goalkeeper Tim Howard and defenders Carlos Bocanegra and Steve Cherundolo (all 31) and defender Jay DeMerit (30).
Youngest: Starting striker Jozy Altidore turned 20 last November.
Most experienced: Internationally, it's Galaxy forward Landon Donovan, with 121 caps. Winger DaMarcus Beasley (90), Bocanegra (77), midfielder Clint Dempsey (60), Cheundolo (58) and defender Oguchi Onyewu (52) are others with 50 or more.
Least experienced: The Galaxy's Edson Buddle has played just twice for the U.S., one fewer than Herculez Gomez and two fewer than Robbie Findley. All are forwards. Midfielder Jose Francisco Torres has just nine caps.
Previous World Cups: Donovan and Beasley played in the 2002 and 2006 World Cups -- Donovan started all eight games and scored twice -- Cherundolo was on the 2002 roster but didn't play and played in the 2006 tournament. Dempsey, Onyewu and Bocanegra played in 2006 -- Dempsey scored against Ghana. Howard and Hahnemann were on the 2006 roster but didn't play.
Top scorer: Donovan's 42 goals is a U.S. record. Also in double digits: Dempsey and Beasley (17 apiece) and Bocanegra (12).
No goals: Aside from the goalkeepers, it's DeMerit (in 17 appearances), defender Jonathan Spector (in 24), Torres, Buddle and Findley.
May day: Six players have May birthdays: midfielder Ricardo Clark (10th), Onyewu (13th), defender Clarence Goodson (17th), Buddle (21st), Beasley (24th) and Bocanegra (25th).
College experience: UCLA has the most alumni, with three (Bocanegra, defender Jonathan Bornstein and midfielder Benny Feilhaber), and Clemson (Onyewu and midfielder Stuart Holden), Furman (Dempsey and Clark), and Maryland (Goodson and midfielder Maurice Edu) have two apiece. Also represented: Illinois-Chicago (DeMerit), Oregon State (Findley), Portland (Cherundolo), Seattle Pacific (Hahnemann), South Carolina (goalkeeper Brad Guzan) and State Fair Community College of Sedalia, Mo. (Buddle). Bornstein started at Cal Poly Pomona and transferred to UCLA. Donovan, Altidore, Beasley, Bradley, Howard, Gomez, Spector and Torres turned pro during or just after high school.
Foreign born: Feilhaber was born in Rio de Janeiro and moved to the U.S. -- first Scarsdale, N.Y., then Irvine -- when he was 6. Stuart Holden was born in Aberdeen, Scotland, and moved to Houston when he was 10.
Captains fantastic: Bocanegra is the U.S. captain. Donovan is the Galaxy's captain. Bornstein is vice captain with Chivas USA. DeMerit captains English club Watford. Cherundolo is deputy captain at Germany's Hannover 96.
Major League Soccer: Only four MLS players on the roster: Donovan and Buddle (Galaxy), Bornstein (Chivas USA) and Findley (Real Salt Lake). Torres and Gomez also play in North America, both for Mexican power Pachuca.
Ex-Major League Soccer: There's a dozen: Altidore (New York Red Bulls), Beasley (Galaxy/Chicago Fire), Bocanegra (Chicago Fire), Bradley (New York Red Bulls), Clark (Houston Dynamo), Dempsey (New England Revolution), Edu (Toronto FC), Gomez (Galaxy/Colorado Rapids/Kansas City Wizards), Goodson (FC Dallas), Guzan (Chivas USA), Holden (Houston Dynamo) and Howard (MetroStars).
European contingent: Eight players make their livings in England (Altidore, DeMerit, Dempsey, Guzan, Hahnemann, Holden, Howard and Spector), and four others have (Bocanegra, Donovan, Feilhaber and Onyewu). And Beasley and Edu play in Scotland. (Let's note that Altidore belongs to Spanish club Villarreal and has played for Hull City on loan, although it's uncertain where he'll be next season. And Beasley is out of contract at Rangers FC.) Three players play in Germany (Bradley, Cherundolo and Clark). Bocanegra is based in France, Onyewu in Italy, Feilhaber in Denmark and Goodson in Norway.
Coaching staff: Head coach Bob Bradley and most of his staff have Southern California connections. Bradley was Chivas USA's head coach in 2006 and lives in Manhattan Beach. Goalkeeper coach Zak Abdel, a former Egyptian national-teamer, has coached with the Galaxy, Chivas USA, former A-League side L.A. Salsa, at Cal State Fullerton and with Premier Development League teams Orange County Zodiac and Orange County Blue Star. Assistant coach Mike Sorber lived in Mission Viejo during the U.S. national team's residency in advance of the 1994 World Cup. Assistant coach Jesse Marsch played four seasons for Chivas USA before retiring last winter to join Bradley's staff. And French-born fitness coach Pierre Barrieu has consulted for Chivas USA and is based in Redondo Beach. Other staff: Assistant coach Lubos Kubic, who played for Czechoslovakia in the 1990 World Cup, finished his playing career in MLS; Mateus Manoel is the assistant fitness coach; and former Dallas Burn coach Mike Jeffries is the scout.