Deebo Samuel July 26, 2023 5:38 pm What stood out from Day 1 of 49ers training camp NBC Sports Bay Area’s Matt Maiocco and Jennifer Lee Chan discuss the biggest storylines from the first day of 49ers training camp. 49ers videos 9:35 Puni eager to work with ‘super athletic' rookie class, 49ers vets 5:57 Cowing details personal expectations for upcoming 49ers rookie season 3:37 Bethune describes eagerness to learn from 49ers veterans 13:51 Nick Sorensen details expectations as new 49ers defensive coordinator 10:02 Mustapha simply focusing on perfecting his craft with 49ers