Brendan Donovan, but With Homers?

If you’re a reader of this site, you probably know that spring training results don’t carry much weight. If you’re really invested in spring outcomes, try exploring them on a rate basis, as those metrics seem to provide the most signal. But what I’m most interested in during the spring are the underlying characteristics that drive outcomes, and often, those characteristics are much stickier than pure results.
Notching high exit velocities in-game, for example, can be thought of as a player tapping into their top-end strength. It can be tough to discern fact from fiction among the countless “best shape of his life” reports, but I figured there might be something to Brendan Donovan’s offseason adjustments when I saw him obliterate a home run to right field in his first spring plate appearance, 105.5 mph off the bat:
Now, 105.5 mph isn’t light-tower power, but it’s notable coming from the slap-hitting utilityman. After posting an ISO over .139 just once across the four minor league stops where he had at least 100 plate appearances, that mark dropped to a paltry .097 in Donovan’s big league debut. And he hit all of three balls harder than 105.5 mph in the majors last year, none of them going for homers, en route to posting an eighth-percentile barrel rate. Ouch. Read the rest of this entry »