Used as an adjective, the word best is literally "of the most excellent, effective, or desirable type or quality."
This is important because the BEST Wilson baseball glove is subjective. The glove that could be the most beneficial for you, might not be for another player. That all said, JustBallGloves.com collects all customer reviews and feedback, which often leads to a general consensus. So, while it's not definitive, based on player reviews, here is the best Wilson baseball glove.