Bears sign rookie long snapper Brandon Hartson, safety Derrick Martin

The Chicago Bears have signed rookie long snapper Brandon Hartson and veteran safety Derrick Martin.

They also placed cornerback Kelvin Hayden on injured reserve and waived safety Chyl Quarles.

Hartson, a long snapper for four seasons at Houston, received a three-year deal. Martin has played in 66 games for four teams over seven seasons and signed a one-year contract.