A former Cowboys 4th-round pick has been signed by the 49ers. This move is part of the team's roster adjustments.

The 49ers also released a veteran tight end as part of their roster changes. The team's decision to sign a new player and release an existing one indicates ongoing efforts to shape their lineup.

Further details about the 49ers' moves are available from Yahoo Sports, including the specific players involved and the context of these roster changes.