49ers OTA observations: Purdy, Pearsall developing chemistry

SANTA CLARA — Wide receiver Jauan Jennings, new contract freshly signed, worked on a side field during 49ers organized team activities on Wednesday. On the main practice field, quarterback Brock Purdy drilled a 20-yard pass down the middle of the field to rookie receiver Ricky Pearsall on the first snap of 11-on-11 practice. Deebo Samuel is taking part during the 49ers' offseason program, while Brandon Aiyuk remains away from the team while he seeks a long-term contract. Jennings and Pearsall, the 49ers' 2024 first-round draft pick, figure to be competing for the bulk of the team's No. 3 receiver snaps. Pearsall has looked to be a quick study with his extended practice reps after being the No. 31 overall pick in the draft. He has seen significant work with Purdy and the first-team offense while Aiyuk and Jennings have not been on the field. Pearsall wore a blue jersey to signify he was off-limits for contact during the non-padded, non-contact practice. Why Pearsall was wearing the jersey was not immediately known. He had not missed any practice time during the offseason program, a team source said. Jennings caught a couple of passes from Purdy during 11-on-11 work. Jennings was...