What's in a pitch? A Biola statistician connects a change in the baseball to movement – Orange County Register
Latest Casualty of M.L.B.'s Changing Ball: Masahiro Tanaka's Splitter - The New York Times
Major League Baseball managers don't like new pitching rule for 2020
You Want Speedier Games? Limit Pitching Changes—Part I » Foul Territory Baseball
Pitcher - Wikipedia
MLB announces rule changes for 2020 season, including three-batter minimum - Baltimore Sun
2018-19 Baseball Rules Changes Focus on Pitching Mechanics
Why MLB should consider changing the pitcher win, and here's the easiest solution - CBSSports.com
Apparent roster snafu changes Blue Jays pitching plans - MLB | NBC Sports
MLB Should Rethink Intentional Walks and Pitching Changes – DCMontreal: Blowing the Whistle on Society
Rays not worried about MLB rule changes: 'We have a lot of pitchers'
Rockies Nolan Arenado, Charlie Blackmon, Bud Black resist MLB rule changes
MLB rule changes: Drastic measures will shake up look of sport
MLB Rule Changes: Will pitchers fake injuries to avoid minimums?
Changing reputation: Clayton Kershaw stops steal of home, pitches Dodgers to 3-2 World Series lead | Major League Baseball | madison.com
Bigger Bases and Limited Shifts: Atlantic League to Test Rule Changes - The New York Times
New MLB rule will limit pitching changes in 2020
Velocities increase after MLB changes method for recording pitches - Chicago Tribune
MLB rule changes: Three-batter minimum introduced - Sports Illustrated
MLB rule changes: Will pitching specialists become extinct with new rule?
