Kyle Shanahan and the “X-Receiver”, by Sudeep Tumma
The Cardinals' win over the Cowboys served as a wake-up call for
San Francisco 49ers keys to an upset at Minnesota Vikings
Rams-49ers Preview: Will Jimmy Garoppolo be ready for huge matchup
X Y Z Receivers Explained In Football – vIQtory Sports
Building the Perfect Receiver Scheme in Today's NFL
What are the XY and Z receivers in football? - Quora
Breaking Down the X, Z, and Slot Receiver - Field Gulls
Re-drafting the 2014 wide receiver class
49ers Dante Pettis could be a victim of the numbers game
Fantasy plays: Players to start and sit for NFL Week 5
FIU Football: 2022 Preview — Wide Receivers - Underdog Dynasty