According to Twitter HQs the following Trending Topics of 2009 were the most popular when it came to sports-related threads:
1. Super Bowl
2. Lakers
3. Wimbledon
4. Cavs
5. Superbowl
6. Chelsea
7. NFL
8. UFC 100
9. Yankees
10. Liverpool
Next year at this time, expect World Cup South Africa to dominate the list.
