Unbreakable: The 25 Most Unapproachable Records in Baseball

Unbreakable gives fans the fascinating stories behind incredible records and the players who made them and provides a basis for comparing players of the Deadball era with those of today. Most importantly, it gives the true baseball fan quantitative objective data to bring to arguments about players and their records.

It is almost impossible to fathom how Jack Chesbro could have won 41 games in 1904 when pitchers today don’t even make that many starts in a season. Ed Walsh pitched 464 innings...