Matt Maiocco and Jennifer Lee Chan break down the 49ers' first preseason game against the Chiefs, including how Trey Lance performed in his first appearance as a 49ers quarterback, what the rushing attack looked like and if San Francisco’s youthful secondary held up against the Chiefs offense.

(1:14) 49ers fall to Chiefs in first preseason game

(7:13) How important are the joint practices with the Chargers?

(13:20) Breaking down the 49ers' youthful secondary

(18:50) Does the secondary have enough depth?

(23:02) 49ers sign Mychal Kendricks

(28:40) Are the 49ers set at wide receiver?