I agree. Assuming that the 2021 dates are similar to the 2020 dates the new GM would have approx one month to make trades before the draft.I prefer actual GM duties be carried out when we have an actual GM.
3/18/2020: All clubs must be under the 2020 Salary Cap prior to 4:00 p.m., New York time.
3/18/2020: All 2019 player contracts will expire at 4:00 p.m., New York time.
3/18/2020: The 2020 league year and free agency period begin at 4:00 p.m., New York time.
3/18/2020: Trading period for 2020 begins at 4:00 p.m., New York time, after expiration of all 2019 contracts.
4/23/2020 to 4/25/2020: 2020 NFL Draft in Las Vegas.