Martinez (lower body) will miss Thursday's home game versus San Jose, Charlie Roumeliotis of WGN reports.
Martinez will be evaluated by the Chicago training staff and more should be known Friday. Martinez signed a one-year contract with the Blackhawks in the offseason after playing parts of the last five seasons with the Golden Knights. Martinez has an assist, four shots on goal and 15 blocked shots in four games this season. Nolan Allan is slated to take Martinez's place in the lineup alongside Connor Murphy on the third pairing.