Danielson with herniated disk

Slipstream-Chipotle's Tom Danielson will have to sit out in March, to take care of his herniated disk

Slipstream-Chipotle's Tom Danielson will have to sit out in March, to take care of his herniated disk (Image credit: Mark Johnson)

A crash in the first stage of the 2007 Vuelta a España is continuing to cause problems for Slipstream's Tom Danielson. He started suffering from some severe back pains in the Tour of California, and has since been diagnosed with "a herniated disk in the L5 S1 vertebrae".