A lot will be on the line tonight as the U.S. takes on Czech Republic at 8 p.m. ET at Renstchler Field in East Hartford, CT. It could be the last match before USMNT Head Coach Bob Bradley announces the 23 players who will represent the United States at the 2010 FIFA World Cup in South Africa.

This will be the first of three warm-up matches before the World Cup begins next month and is the first of two so-called “Send-Off Series” games in the United States. On Saturday, May 29th the US MNT will also face Turkey in Philadelphia and during the pre-tournament training camp in South Africa the will face off against Australia on June 5 at Ruimsig Stadium in Roodepoort.

USA ROSTER BY POSITION

GOALKEEPERS

Brad Guzan (Aston Villa), Tim Howard (Everton), Marcus Hahnemann (Wolverhampton)

DEFENDERS

Carlos Bocanegra (Rennes), Jonathan Bornstein (Chivas USA), Steve Cherundolo (Hannover), Jay DeMerit (Watford), Clarence Goodson (IK Start), Chad Marshall (Columbus Crew), Oguchi Onyewu (AC Milan), Heath Pearce (FC Dallas), Jonathan Spector (West Ham United)

MIDFIELDERS

DaMarcus Beasley (Rangers), Alejandro Bedoya (Örebro), Michael Bradley (Borussia Mönchengladbach), Ricardo Clark (Eintracht Frankfurt), Clint Dempsey (Fulham), Landon Donovan (Los Angeles Galaxy), Maurice Edu (Rangers), Benny Feilhaber (Aarhus), Stuart Holden (Bolton), Sacha Kljestan (Chivas USA), Robbie Rogers (Columbus Crew), José Torres (Pachuca)

FORWARDS

Jozy Altidore (Villarreal), Edson Buddle (Los Angeles Galaxy), Brian Ching (Houston Dynamo), Robbie Findley (Real Salt Lake), Herculez Gomez (Puebla), Eddie Johnson (Aris Thessaloniki)

CZECH REPUBLIC ROSTER BY POSITION

GOALKEEPERS

Petr Cech (Chelsea), Jaroslav Drobny (Hertha Berlin), Jan Lastuvka (Dnipropetrovsk)

DEFENDERS

Tomas Hubschman (Shakhtar Donetsk), David Limbersky (Plzen), Ondrej Mazuch (Anderlecht), Ondrej Kusnir (Sparta Prague), Tomas Sivok (Besiktas), Marek Suchy (Spartak Moscow)

MIDFIELDERS

Jaroslav Cerny (Slavia Prague), Milan Cerny (Slavia Prague), Mario Holek (Dnipropetrovsk), Jan Moravek (Schalke), Jaroslav Plasil (Bordeaux), Jan Polak (Anderlecht), Daniel Pudil (Genk), Libor Sionko (Sparta Prague), Rudolf Skacel (Larissa)

FORWARDS

Martin Fenin (Frankfurt), David Lafata (Liberec), Lukas Magera (Timisoara), Tomas Necid (CSKA Moscow)

USA vs. Czech Republic will be live on TV at 8 pm EDT.