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caption: Seattle Mariners starting pitcher Marco Gonzales throws to a San Francisco Giants batter during the first inning of a baseball game Thursday, April 1, 2021, in Seattle.
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Seattle Mariners starting pitcher Marco Gonzales throws to a San Francisco Giants batter during the first inning of a baseball game Thursday, April 1, 2021, in Seattle.
Credit: (AP Photo/Ted S. Warren)

Where is the line between innovation and cheating in baseball?

Professional baseball has long been a proving ground for new ways to fool crowds and umpires, from sign stealing to illegal hacking operations to a little extra spit on the ball to get the perfect curve in a pitch.

But there's a fine line between fair and unfair advantages, written and unwritten rules of the game.

That line is at the center of a new book from Dan Levitt and Mark Armour called "Intentional Balk: Baseball’s Long And Sordid History Of Innovation and Cheating." Soundside caught up with Armour and Levitt to hear about some of the most notorious baseball scandals, the goofiest, and what makes baseball stand apart from other major sporting leagues when it comes to cheating.