Dewan: Cannon arms in 2017

From SABR member John Dewan at ACTA Sports on November 17, 2017:

Which outfielders had the best arms during the 2017 season? To try and find out one must consider both the runners an outfielder has thrown out, as well as how frequently the outfielder prevented additional bases from being taken. To answer both of these questions we will use Outfield Arm Runs Saved (OF Arm Runs Saved). This metric evaluates fielders’ arms by considering both their ability to throw out baserunners without the use of a relay man—Outfield Kills—and the percentage of the time a baserunner successfully takes an extra base on that given fielder (XBT%).

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Originally published: November 17, 2017. Last Updated: November 17, 2017.