Daily Data Visualization: Ranking the U.S. men and their return of serve

American men might be a diminishing species of tennis player. But those who inhabit the top 100 play a similar style. They are among the best servers on tour;

American men might be a diminishing species of tennis player. But those who inhabit the top 100 play a similar style. They are among the best servers on tour; and among the worst when it comes to breaking serve. For Americans to return to the top, they'll need to, well, return to the top...