The Indianapolis Colts on Thursday acknowledged the existence of an FBI investigation into the death of former owner Jim Irsay and the potential involvement of a California doctor who reportedly prescribed him pain pills and ketamine. However, the team has not been contacted by FBI officials and no subpoenas have been issued, according to the club. Irsay died in May at 65 from what was described as cardiac arrest. According to a story in The Washington Post, which first reported the news of the FBI probe, the FBI is seeking records and information about Irsay's death, substance use and his...