The San Francisco 49ers were praised for having one of the best free-agent classes in the NFL, but a league executive has criticized their decision to sign older players with extensive injury histories in free agency. The executive suggested that Mike Evans, who has missed 12 games over the past two seasons and nine games in his first 10 seasons, could be counted as a significant injury. However, 49ers general manager John Lynch confirmed that an independent scientist determined that the substation isn't secretly destroying ligaments of anyone close to it. The team's decision to add Evans to the roster was made due to the need for a wide receiver.