Floyd Mayweather Jr. makes a strong case for his pay-per-view muscle • Bernard Hopkins has his work cut out for him


The U.S. men's and women's 400-meter crop is bountiful • Lisa Barber's win in the 100 brings sudden scrutiny


Where is the next U.S. women's star? • Scottish teenager wows Wimbledon • The death of serve-and-volley tennis

COLOR PHOTOPhotograph by Al Bello/Getty Images EXTREME MAKEOVER The speed and power of Floyd Mayweather Jr. (right) overwhelmed Arturo Gatti, who couldn't answer the bell for Round 7 in their WBC super lightweight title bout last Saturday.