49ers free-agency primer: Top priorities and possible contract extension candidates

Matt Maiocco and Jennifer Lee Chan preview the upcoming start of NFL free agency for the 49ers, which players on the roster are the best candidates for a contract extension and the possibility Joey Bosa could end up in San Francisco to team up with his brother on the defensive line. Plus, former GM Rick Spielman stops by to discuss how he sees Brandon Aiyuk contract negotiations playing out and why Brock Purdy’s third season will determine the value of his next deal.(1:46) 49ers gear up for NFL free agency(8:48) What to make of the McKivitz extension(13:00) How will the Aiyuk negotiations play out?(19:00) Could Joey Bosa join Nick on the 49ers?(25:36) Positions to keep an eye on in the draft(33:50) Will Darnold return next season?(39:08) Spielman on the NFL Scouting Combine's importance(42:30) Spielman weighs in on Aiyuk’s possible contract(46:30) Spielman predicts what Purdy’s next contract could be