One 49ers rookie is dealing with an injury, but it is not expected to sideline him when training camp begins. Via David Bonilla of 49erswebzone.com, Noah Furtado of the San Francisco Chronicle reports third-round linebacker Nick Martin recently suffered a fractured thumb while lifting weights.

San Francisco 49ers rookie linebacker Nick Martin suffered a thumb fracture a few weeks ago, but did not miss any subsequent practices or workouts, a source familiar with the injury told the Chronicle.

The San Francisco 49ers have suffered an offseason injury as rookie linebacker Nick Martin fractured his thumb while lifting weights, as reported by Noah Furtado of the San Francisco Chronicle. Early reports were that it was a recent injury,