The intentional walk is one of the more more overused moves in MLB. The goal of this post is to identify which managers most frequently overuse the free pass. (I did a similar post last season that you can view by clicking here.)The reason why IBBs are usually a bad idea is because putting a runner on increases the opposing team's chances of scoring in every base-out combination possible. Of course, despite that, intentional walks can still help a team's chances of winning in specific, strategic situations, like late in close games, two outs, a star hitter at the plate, and a much less dangerous hitter on deck. But you have to be judicious, and most managers are not.In Chapter 10 of The Book, Tom Tango, Mitchel Lichtman, and Andy Dolphin analyze when issuing a free pass does and doesn't...

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