Purdy, Aiyuk still repairing their previous 49ers chemistry

MINNEAPOLIS — In the 49ers' 23-17 loss to the Minnesota Vikings on Sunday, quarterback Brock Purdy and wide receiver Brandon Aiyuk looked like they still are in the process of rebuilding the chemistry they've shown in the past. Aiyuk caught four of his five targets for 43 yards at U.S. Bank Stadium, which was an improvement from Week 1 when he caught only two of his five targets for 28 yards. Purdy believes it's only a matter of time before they both improve on the field. "I think he looks pretty good and stuff, but I'm not dropping back thinking B.A.'s not been like what he was like," Purdy said after the loss. "I don't think that at all. For me, I go through my reads. He's been where he needs to be." Aiyuk and Purdy have had just two short weeks of on-field practice together since the end of the 2023 NFL season, as the wide receiver "held in" during training camp this summer amid contract negotiations. As they get more time together, Purdy knows their opportunities will increase, but the quarterback believes his receiver has been putting in the work. "There's probably a couple routes maybe in certain looks where we both could have been better on some stuff, but that's like...