49ers training camp takeaways: Brock looks un-Purdy-like on Day 17

SANTA CLARA — Now, things speed up for the 49ers during what has generally been a slow-paced training camp. After taking part in their 17th practice of training camp on Friday, the 49ers will have their typical day-before-game walk-through on Saturday. The 49ers face the New Orleans Saints on Sunday at Levi's Stadium, then they have a quick turnaround to wrap up the preseason with a game at the Las Vegas Raiders on Friday, Aug. 23. Here are the takeaways from Friday's practice: Purdy's up-and-down day We're not getting carried away with training camp statistics, and the excuse is always given that quarterbacks will try to push the limits during practice. Brock Purdy said it was an emphasis of his to push the ball down the field on Friday. But he appeared to make several throws that seem ill-advised regardless of the setting. He also had his moments with a couple of fun ones, including a play he described during his post-practice press conference. Purdy talked about a play, called "Pur-Dog," in which he caught a downfield pass. Purdy had a day on Thursday in which the ball rarely hit the ground during practice. Things were not as crisp on this day, beginning with Ji'Ayir Brown's...