KJ recaps the 49ers 4-12 season and hands out letter grades for Kyle Shanahan (B), Robert Saleh (C-) and John Lynch (D+). Overall themes of the season are turnovers, George Kittle becoming a superstar, a defense who allowed 35 touchdown passes and an offense that overachieved with backups. KJ ponders the future of Rich Scangarello and whether the Cardinals will take Nick Bosa with the No. 1 overall pick.

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