Purdy senses new 49ers energy without lingering contract drama

SANTA CLARA — With three major contract extensions finalized early in the NFL offseason, Brock Purdy already can sense a heightened focus at 49ers headquarters.The franchise quarterback spoke to media Wednesday for the first time since inking a five-year, $265 million extension, making him the highest-paid player in the organization's history."Everybody is bought in right now," Purdy said. "And we're excited to do more team activities as we move along the offseason, but man, it's hard to explain, but the young guys, the older guys, just everyone is bringing it right now."I think it's just so important right now that we are around each other a lot doing little different activities and continuing to build chemistry."Purdy would not specify that previous contract difficulties affected San Francisco's locker room, but there is no doubt there will be less distractions heading into the offseason program than there were less than a year ago.Trent Williams, Christian McCaffrey and Brandon Aiyuk all went through tumultuous contract negotiations that included holdouts — and hold-ins in Aiyuk's case. The drawn-out processes lingered, unresolved until shortly before the regular season's...