MLB clarifies slide rule, tightens mound visits

Use of controversial slide rule inspires heated takes from Blue Jays, Twins

Pace-of-game changes, new slide rule adopted

MLB rule changes cut mound visits in half; time of game dips slightly

MLB pace-of-play rule changes: Mound visit limits, no pitch clock, shorter commercials

Cleveland Guardians, other teams adjusting to new set of MLB rules

Major League Baseball announces a 30-second mound visit clock, new slide rules - NBC Sports

MLB limits mound visits, decides against pitch clocks - Sports Illustrated

Unwritten rules or let the kids play? Baseball can't have it both ways - ESPN

Folkrocks Author Richie Unterberger's views on vintage rock music; San Francisco Bay Area biking and hiking; socially responsible living; and baseball.

Seattle Weekly, May 02, 2012 by Sound Publishing - Issuu

Brewers turn two on slide rule, 10/15/2018

MLB imposes time limit for mound visits, updates slide rules

A look at Globe Life Field's mound, 10/24/2020