The competition continues on America's Got Talent (8 p.m., NBC/Ch. 5), and the Utah band American Hitman will make a return appearance.After advancing out of the first round, the band performs for the judges in the second round. We'll see if they make it to Round 3.Elsewhere on TV ...MLB All-Star Game (5:30 p.m., Fox/Ch. 13): From Citifield in New YorkCONCACAF Gold Cup Soccer (6 p.m., Fox Soccer Channel): USA vs. Costa RicaWhose Line Is It Anyway? (7 and 7:30 p.m., CW/Ch. 30): The series returns with a new host - Aisha Tyler.America's Got Talent (8 p.m., NBC/Ch. 5): The Las Vegas round of the auditions begins.So You Think You Can Dance (7 p.m., Fox/Ch. 13): The top 16 perform; two are eliminated.Rizzoli & Isles (7 and 9 p.m. TNT): Maura is suspected a guy she dated - and she has no memory of what happened.Big Brother (8 p.m., CBS/Ch. 2): The veto competition takes place.Perfect Score (8 and 8:30 p.m., CW/Ch. 30): In this new dating/game show, two friends compete to see who can pick their ideal mate from a group of 12 singles, after both the players and the contestants have taken compatibility tests. The winners not only get a date but cash prizes.Perception (8 and 10 p.m., TNT): Pierce discovers the reason young girls are having neurological problems.Pretty Little Liars (9 p.m., ABC Family): Mona reveals Spencer's secret.Twisted (10 p.m., ABC Family): Danny, Jo and Lacey go on a road trip in search of clues.Covert Affairs (10 p.m., USA): In the fourth-season premiere, Annie has trouble balancing her personal life and her professional life.Suits (11 p.m., USA): In the third-season premiere, Mike has to deal with the fallout after his big revelation.