The 49ers have terminated Kyle Shanahan’s contract due to his negative impact on the team.

The 49ers have terminated Kyle Shanahan’s contract due to his negative impact on the team.

The San Francisco 49ers free agency period officially begins on Wednesday, March 13, at 1 p.m. PT (4 p.m. ET), and the following list keeps track of the team’s signings, interests, and losses. On Monday, March 11, at 9 a.m. PT (noon ET), NFL teams can start negotiating with player agents.

Throughout the early days of free agency, this list will be updated frequently, so please bookmark it and return often to get the most recent information.

A player with four or more accrued seasons and an expiring contract is an unrestricted free agent (UFA), free to negotiate with any team at the beginning of the next league year.

A player with three accrued seasons and an expiring contract is a restricted free agent (RFA). The original team retains the right to match any offer made by the player with other teams.

A player with a contract that is about to expire and fewer than three accused seasons is an Exclusive Rights Free Agent (ERFA). If the player’s original team extends a qualifying contract, he is not permitted to negotiate with other teams.

The figure derived from OverTheCap.com might not encompass the latest transactions. Contract structures cannot be factored in until they are known.