That's a Red Sox player. Yes, he's a professional baseball player. I know it's confusing.
Here is the current avatar of the official Boston Red Sox Twitter account.
Don't believe me? LOOK:
Source: si0.twimg.com
However, it turns out that the Red Sox Twitter was not commandeered by a crazy-haired random. That's Joel Hanrahan, Boston's new closer.
Image by Justin K. Aller / Getty Images
Hanrahan's tweeting from @RedSox today, and he's doing a bang-up job.