Where youth-infused 49ers finish in Matt Maiocco’s 2025 NFL season predictions

General manager John Lynch called his shot before the opening of free agency.The 49ers had the oldest team in the NFL last season. Lynch said his goal was to transform the roster with an injection of youth.The 49ers have 10 rookies on their 53-man roster. Six rookies on defense could play significant roles, beginning Week 1, when the 49ers open the 2025 season against the Seattle Seahawks.Is that the biggest challenge that awaits the 49ers this season?“I think it’s possible,” 49ers coach Kyle Shanahan said on Wednesday. “There are a number of challenges. We’re going to play a lot of young guys as this year goes. We’re going to start out doing that.”The 49ers finished in last place in the NFC West a year ago with a 6-11 record. Even with so many young players, they still have enough top players to make another run.The Philadelphia Eagles, the reigning Super Bowl champions, open the season as the clear favorite in the NFC. We are not completely buying the notion that adding Micah Parsons pushes the Green Bay Packers to the front of the line.The 49ers are among a group of other teams that can consider themselves as serious contenders.In...