49ers camp takeaways: Rookie safety makes defensive play of the day

SANTA CLARA — The 49ers went back to work Wednesday in preparation for their second preseason game with an approximately 90-minute padded team session. Joint practices with the New Orleans Saints in Southern California were cancelled due to several of San Francisco's players dealing with minor injuries, so 49ers coach Kyle Shanahan planned to make sure his participating players remain healthy while also conducting an intense, on-field session. Here are the takeaways from the 49ers' 15th practice of training camp: Aiyuk Watch Continues Brandon Aiyuk was on the sidelines between the two practice fields watching the entirety of the 49ers' 11-on-11 drills. While there appears to have been no movement on either side, the wideout's presence again shows that there are no hard feelings between Aiyuk and the team amid his ongoing contract saga. Aiyuk was wearing a red team-issued shirt and black pants, and was seen having conversations with Deebo Samuel, George Kittle and Deommodore Lenoir, who joined him on the sideline. At one point, president of football operations/general manager John Lynch walked over to the receiver for a handshake. Purdy-to-Kittle Connection Brock Purdy and Kittle...