Followers: 1.3 million
Sample tweet: "Hi, I'm Derrick Williams. I'll be destroying Duke tonight." BTW, my new avatar gets a Tommy Point! Bing...bang...boom!"
Though he wears his Boston allegiance on his sleeve, ESPN's Bill Simmons remains one of the sharpest, most interesting sports pundits around. His Twitter feed will soon get that much better: ESPN is giving Simmons his own website, due to launch later this year.