EPIC 49ers vs. Seahawks Rivalry Moments! (2011-2019)
The 49ers and Seahawks are rivals again with Richard Sherman in new uni - Field Gulls
49ers clinch NFC West, No. 1 seed on incredible tackle after inexplicable delay of game penalty dooms Seahawks
The 49ers and Seahawks Rivalry: A Brief but Exciting History – The Paw Print
The Seahawks-49ers Rivalry Is Back, and the NFL Is Better Off for It - The Ringer
Santa Cruz pulls away from rival Watsonville for nonleague rout
49ers, Seahawks downplay rivalry – Santa Cruz Sentinel
Santa Cruz pulls away from rival Watsonville for nonleague rout
49ers–Seahawks rivalry - Wikipedia