In case you haven't heard, there's a rather important World Cup soccer game this afternoon. The U.S. Men's National Team takes on Belgium (2 p.m., ESPN) in the knock-out round - so it's win or go home.I believe that we might win. I don't claim to be a soccer expert, but I know a little bit about it. And, if nothing else, you never know what might happen in any given game.I'm cautiously optimistic. But then I'm cautious about most thing.Today's other round-of-16 game matches Argentina and Switzerland (10 a.m., ESPN), with the winner getting the winner of USA-Belgium.Tonight, there's another Utahn on America's Got Talent (7 p.m., NBC/Ch. 5) - Josh Wright, who's described as "a pianist with a twist."Elsewhere on TV ...Extreme Weight Loss (7 p.m., ABC/Ch. 4): A 46-year-old widow who weighs 300 pounds tries to lose weight.America's Got Talent (7 p.m., NBC/Ch. 5): Auditions continue.Time Scanners (7 p.m., PBS/Ch. 7): The secrets of the Egyptian pyramids are revealed with 3D laser-scanning technology.Rizzoli & Isles (7 and 9 p.m., TNT): A killer uses online ads to find murder victims.History Detectives: Special Investigations (8 p.m., PBS/Ch. 7): The new season begins with a new format - one mystery per episode. First up is the explosion that destroyed the Mississippi steamboat S.S. Sultan in 1865. It was filled with Union soldiers; the death toll was 1,547.Sullivan & Son (8 and 8:30 p.m., TBS): It's Ok Cha vs. Roy in a spicy-food eating contest.Perception (8 and 10 p.m., TNT): A boy with a developmental disorder is taken hostage during a bank robbery.Celebrity Wife Swap (9 p.m., ABC/Ch. 4): Judy Gold swaps places with Penn Jillette's wife.The Night Shift (9 p.m., NBC/Ch. 5): A crash sends dozens of soldiers to the emergency room.Pretty Little Liars (9 p.m., ABC Family): Ali wants to return to her role as queen bee, but the other girls aren't so sure about that.Chasing Life (10 p.m., ABC Family): April is feeling overwhelmed.Cake Boss: The Next Great Baker (10 p.m., TLC): Bakers choose their own teams in a challenge that involves 100 pounds of candy and a very demanding client.Royal Pains (10 p.m., USA): Randy is determined to win over Divya.P.O.V. (11 p.m., PBS/Ch. 7): A profile of 98-year-old Grace Lee Boggs, a Chinese-American social activist in Detroit.