When did he become an official statistic in Major League Baseball?

How long was it? I've seen it listed in the little box score … Perhaps in the last 2-3 years.

The hold was invented in 1986 by John Dewan and Mike O'Donnell. Began to be used in box scores in 1999. It is not an official statistic in the majors. It is used in box scores for many websites, but not Major League Baseball record statistics.

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