Question: The 2017 Carolina Panthers season is the franchise's 23rd season in the National Football League and the seventh under head coach Ron Rivera, on July 17, 2017, the team announced which former American football executive,had been relieved as general manager?
Sentence (from "2016 Carolina Panthers season"): The 2016 Carolina Panthers season was the franchise's 22nd season in the National Football League and the sixth under head coach Ron Rivera.
Relevant evidence: No