Lost in the explosive performances on offense by Colin Kaepernick and Anquan Boldin in the San Francisco 49ers' season-opening victory over Green Bay was an eye-popping NFL debut by safety Eric Reid.The first-round pick from LSU was tremendous. He was all over the field, making his presence felt immediately. If Reid is going to play this well as a rookie, the 49ers will be in good shape. Reid was drafted to replace Dashon Goldson, who went to the Tampa Bay Buccaneers in free agency.