It's important to start with this context before diving into the industrywide reviews of the Boston Red Sox signing Masataka Yoshida, a free agent outfielder from Japan who received a five-year, $90 million contract from the Red Sox:
Baseball is hard.
The act of playing baseball is notoriously difficult, as is predicting the future of it. Projecting players in Triple-A simply going up one level to the big leagues is much harder than you might think. Projecting players who have starred in a professional league across the globe? Well, that is even harder.