Moehringer: Roster movement is decreasing, and teams are becoming more homogeneous

From SABR member Paul Moehringer at The Hardball Times on February 1, 2019:

Fans who wish to hearken back to a simpler time when players stayed in one place and never left may be getting their wish. Since 2004, the average number of teams a player plays for in his career has decreased by 14.5 percent, from 2.34 teams in 2004 to just two teams in 2018.

Below is a graph detailing how player movement has changed over time since 1947. Although still not at the levels we saw in the ’80s, the overall pattern of player movement across the major leagues has been trending downward since the mid-2000s.

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Originally published: February 1, 2019. Last Updated: February 1, 2019.