1.   Extreme sports are growing in popularity.

2.   And then the sport grew on him.

3.   And yet, the sport is growing fast.

4.   As fast as the sport is growing, I want to be a big part of it.

5.   As long as the sport was growing and money was flowing in, criticism was muted.

6.   As the sport has grown in popularity, girls have begun arriving at college as experienced players, eager for a chance to compete.

7.   As the sport grew, and technology advanced, electronic scoreboards popped up at most events.

8.   As the sport grew, ballparks were built and rivalries intensified.

9.   At a time when the sport is growing in popularity and expanding, most track owners would feel lucky to have one NASCAR Winston Cup date.

10.   But interestingly, the sport has grown little in the past decade despite the Tiger Woods phenomenon.