Allan Roth, born in Montreal on May 10, 1917, made a pitch to Branch Rickey in 1944 that made the case for opinions such as on-base percentage being more important than batting average.

“And, wouldn’t it help a manager to know, for example, that a certain batter hit .220 against right-handed pitchers and .300 against lefties?”, Roth asked.

Rickey became intrigued, and his hiring of Roth in 1947 initiated a trend that has made the personal computer an essential element of an MLB clubhouse’s paraphernalia.

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