Kosaka ranked first in both leagues for seven consecutive years in the Range Factor (RF), which evaluates a fielder's defensive ability based on the number of putouts and assists per nine innings. He is truly the No. 1 defensive expert.

▼Click here for previous defensive bibles▼
守備バイブル

▼Click here for previous baserunning bibles▼
走塁バイブル

00:00 The secret to catching ground balls: "Moving your feet and shifting your weight"
04:00 Tips for using your right hand to compensate for your own "weaknesses"
04:48 "Imagine catching the ball in front of your right foot" - Matching your catching position to your body
06:48 What's the key to "hitting the ball against the wall" that we recommend to young baseball players?
08:45 The secret to the reverse single is "how to extend your arm" and "using your elbow"
11:44 Throwing tips for "making it easier for the first baseman to catch"
13:15 Even masters suffer from the throwing yips: What's the solution?
14:17 The magical "secret of changing your grip" revealed in full
16:43 Approaching the ball with "keep your glove as low as possible"
18:44 The secret of positioning that gave birth to the "Kosaka Zone"
20:20 What does Makoto Kosaka think "good defensive players have in common"?

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[Furuta's Equation (with DVD)]
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[Furuta's Equation: The Batters Bible]
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