Coheed and Cambria singer/guitarist Claudio Sanchez recently broke his hand while sparring with his brother, boxer Matthew Sanchez.
The injury, known as a "boxer's fracture," involves the ring finger and
pinky of the right hand. He'll be sidelined for at least a month —
three weeks in a cast, and one or two undergoing physical therapy.
Unfortunately, the break has forced the band to postpone its upcoming
European tour with Thrice for about a month. ... -MTV.com
Nothing we didn't know already, but if you're still left in the dust about the reason, well, there you go.