Md. Code, Labor and Employment § 9–901

When a person other than an employer is liable for the injury or death of a covered employee for which compensation is payable under this title, the covered employee or, in case of death, the personal representative or dependents of the covered employee may:

(1) file a claim for compensation against the employer under this title; or

(2) bring an action for damages against the person liable for the injury or death or, in case of joint tortfeasors, against each joint tortfeasor.