The art and science of swing mechanics is largely opaque even to those among us who watch the game regularly and/or played competitively as amateurs. Augmenting the confusion is the surfeit of coaches who, though well-intentioned, provide instruction that is sometimes in direct contradiction of those properties which physics itself suggests ought to appear within the optimal swing.

Dan Farnsworth is a swing instructor currently based in Los Angeles (although relocating to New York soon). He’s written a number of posts for FanGraphs on swing mechanics — including, most notably, a thorough documentation of the improvements J.D. Martinez had made to his swing a few months before he was signed by Detroit and proceeded to produce a nearly four-win season in 480 plate appearances.

What follows is series of three brief conversations with Farnsworth regarding swings by Cubs prospects Jorge Soler, Javier Baez, and Kris Bryant — which threesome recorded consecutive home runs, in that order, during Tuesday’s Cactus League game against Cleveland (box). In each case, the author has allowed his unbridled naivete to guide the course of conversation and relied on Farnsworth to provide clarity.

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1. Jorge Soler (Profile)

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2. Javier Baez (Profile)

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3. Kris Bryant (Profile)