Yep they've recently been particularly reliant on guys with a ton of mileage, whether it's Trout or all the failed free agent signings. For some reason they don't learn.
Moniak was basically dumped by the Phillies after underperforming in their system. Incidentally the vast majority of big prospect coups happen in these random trades like the Moniak trade and Clevinger/Pestano, etc, not the major trades.