SANTA CLARA, Calif. -- Tuesday is a key date for the San Francisco 49ers as Levi's Stadium continues to get closer to completion.The team announced the first seats will be installed Tuesday. They will be placed in the lower bowl where 45,000 of the 68,500 seats will be located. The stadium will be ready for the start of next season.Meanwhile, former 49ers star receiver Jerry Rice told the Bay Area News Group he would love to help the team's young group of receivers.