Updating a previous report, Carolina Panthers RB Christian McCaffrey’s four-year contract extension worth just over $64 million includes $30.0625 million fully guaranteed at signing, according to a source. His 2020 base salary will be $825,000 (fully guaranteed), followed by base salaries of $8.0375 million in 2021, $8.4 million in 2022, $11.8 million in 2023, $11.8 million in 2024 and $12 million in 2025.