MLB free agent tracker: Sonny Gray to the Cardinals, Tigers grab Kenta Maeda, Jason Heyward back with Dodgers | CBS Sports Headlines MLB free agent tracker: Sonny Gray to the Cardinals, Tigers grab Kenta Maeda, Jason Heyward back with Dodgers Major League Baseball’s free agency period is officially underway ESN … Continue reading MLB free agent tracker: Sonny Gray to the Cardinals, Tigers grab Kenta Maeda, Jason Heyward back with Dodgers