Kyle Shanahan on 49ers' defensive shifts, Brock Purdy, Brandon Aiyuk and more

Shanahan on the importance of retaining Aiyuk: "It's hard to be successful at quarterback if you don't have good receivers."

Related Keywords

Las Vegas ,Nevada ,United States ,Washington ,Los Angeles ,California ,Arizona ,Jordan ,San Francisco ,Arik Armstead ,Leonard Floyd ,Deommodore Lenoir ,Jiayir Brown ,Brandon Staley ,Nick Sorensen ,Klay Kubiak ,Joshua Dobbs ,Adarryl Tapp ,Steve Wilks ,Deion Jones ,Julian Blackmon ,Kris Kocurek ,Yetur Gross Matos ,Dre Greenlaw ,Mick Lombardi ,Brandon Allen ,Maliek Collins ,Devondre Campbell ,Brandon Aiyuk ,Brian Griese ,Talanoa Hufanga ,Tom Brady ,Kyle Shanahan ,Rayshawn Jenkins ,Brock Purdy ,Klint Kubiak ,Cleveland Browns ,Detroit Lions ,Los Angeles Chargers ,Cornerbacks Charvarius Ward ,Jordan Elliott ,De Vondre Campbell ,Atlanta Falcons ,Cabo San Lucas ,Las Vegas Raiders ,New Orleans ,New England Patriots ,New England ,San Francisco 49ers ,