https://www.elastic.co/guide/en/ecs/1.12/ecs-rule.html
Rule Fields | Elastic Common Schema (ECS) Reference [1.12] | Elastic
elastic common schemarule fieldsecsreference1
https://www.si.com/nfl/2023/03/24/nfl-rule-change-proposals-major-kickoff-touchbacks-25-yard-line
NFL Fields Rule Changes Proposal, Including One Major Kickoff Change
Mar 24, 2023 - The league is trying to make this play safer for players.
rule changesnflfieldsproposalincluding