Analyzing Brock Purdy negotiations and 49ers' O-line; Peeking behind curtain of PFF's grading system

Matt Maiocco sits down with "Check The Mic" co-host Steve Palazzolo, formerly of PFF, to break down where the 49ers' offensive line actually stacked up against the rest of the NFL. Also, Matt and Steve discuss which analytics could play a role in the Brock Purdy contract extension negotiations and why Kyle Shanahan's system strengthens some of those numbers. Then, Jennifer Lee Chan sits down with NFL Network's Stacey Dales to identify which position group the 49ers could draft with the No. 11 pick -- and their answer might surprise you.

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(1:00) The busiest time of the NFL offseason is now
(3:00) Where does Brandon Aiyuk’s recovery stand?
(4:30) Gauging the 49ers' Davante Adams interest
(33:00) Palazzolo believes Shanahan's scheme makes 49ers' O-line look better
(41:00) How Purdy’s stats could be used in his contract negotiations
(45:00) Can Warren or Loveland take over Kittle's blocking load?