Matt Maiocco and Jennifer Lee Chan react to the breaking news of Brandon Aiyuk and the 49ers agreeing to a four-year contract extension, the immediate impact it will have on the offense and how this could get things moving for Trent Williams and San Francisco.

(1:26) Brandon Aiyuk, 49ers agree to contract extension

(6:25) How does Aiyuk’s return impact Week 1?

(11:10) What Aiyuk’s contract means for future players