Why Brock Purdy believes 49ers’ offense is ready to bounce back vs. Eagles

SANTA CLARA — The 49ers’ offense has put their Week 18 loss to the Seattle Seahawks behind them, but they won’t forget the lessons they learned.Brock Purdy believes there is a heightened energy as the team prepares for its wild-card matchup against the Philadelphia Eagles with its season on the line.“Guys have done a good job of understanding it sucked what happened not capitalizing on a really good opportunity,” Purdy said. “But we are in the playoffs and we don’t have time to dwell on the negative things. “Yes, let’s learn from them, but we got to move on and flip the page pretty quickly because we are about to go, and our season is on the line now.”Purdy and his team head into the raucous environment that is Lincoln Financial Field on Sunday afternoon in a win-or-go-home scenario. The energy in the locker room is palpable with their post-season dreams on the line. “For us to go into a hostile environment, you got to be on top of your stuff,” Purdy said. “You got to have some energy and some momentum as a team to go in and believe you can go in and do your job at a high level. That’s...