The Rise and Fall of the Deadball Era – Society for American Baseball Research
The first home runs of the Live Ball Era
The New Dead Ball Era | Pitcher List
MLB home runs are way down so far in 2022; here's how the league's recent tinkering deadened the baseball - CBSSports.com
What Is ERA in Baseball? Here's What You Should Know!
How Much Does A Baseball Weigh? May Be You are Wrong! Honest Baseball
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MLB used different baseballs in 2022, and juiced ones showed up at Yankees games - SBNation.com
Dead-ball era - Wikipedia
How Much Does a Baseball Weigh? Maybe You Don't Know!
MLB Players React to the Pitch Clock and Baseballs' New Rules - The New York Times
MLB: With new baseball cutting offense, which hitters are in trouble?
Live ball (baseball) - Wikipedia
Baseball changes by MLB harken back to dead-ball era - Sports Illustrated
Baseball 101: Doctoring the baseball – Archived Innings
Dead-ball era - Wikipedia
MLB's Ball Controversy Could Define the 2022 Season | News, Scores, Highlights, Stats, and Rumors | Bleacher Report
What do the 'dead ball' and 'live ball' eras refer to in the history of Major League Baseball? - Quora
The Juiced Ball Is Back - The Ringer
MLB game times cut 30 minutes, steals double under new rules – The Examiner
Examining Perceptions of Baseball's Eras: A Statistical Comparison – The Sport Journal
Eras of ERA – The Sport Journal
/cdn.vox-cdn.com/uploads/chorus_asset/file/9007157/1_GwTdbpRPRLbzsn1lUAaPRA.jpeg "The End of Baseball As We Know It - The Ringer")
The End of Baseball As We Know It - The Ringer
What is a Good ERA in Baseball? (We break down ERA's in each era!)
