NFL approves new kickoff rules for 2018 season - Footballscoop
Broncos vs. Chiefs: Live updates and highlights from the NFL Week 14 game
With goal of reducing kickoff returns, NFL sets touchback spot at 25 – Football Zebras
Kickoff Principles - Football Toolbox
Kickoff Coverage and Huddle Alignment - Football Toolbox
Kamikaze Kickoff Coverage Scheme - Joe Daniel Football
Number of kickoffs returned continues to rise - NBC Sports
Is this finally the season Special Teams is good? - Mile High Report
Broncos report card: Another ugly offensive outing at Empower Field in loss to Jets
Receive Or Defer: Does Either Provide An Advantage?
Kickoff return touchdown sparks East Rockingham past Clarke County, Winchester Star