Brighton are set to offer new deals to four players, including Matt Upson, but have released six more.
Brighton boss Oscar Garcia says he was already in the market for a new full-back before Bruno suffered an injury.
Brighton defender Bruno has been ruled out of the last game of the season and the Championship play-off semi-finals.
New Brighton signing Bruno has revealed he turned down better financial offers because he believes in Gus Poyet's project.
Brighton have bolstered their ranks with the capture of experienced right-back Bruno Saltor on a free transfer from Valencia.
Valencia defender Bruno is expected to be sidelined for four weeks with an ankle injury.