The top of the Mariners’ roster is as good as it’s been in years. This is hardly surprising; not having been especially close to a playoff spot in 14 years tends to mean your players aren’t very good. This sort of analysis is why I am paid the big bucks. While the performance of the stars has pushed the Mariners into a wild card lead and within spitting distance of the Astros, Jerry Dipoto’s work on the back of the roster is what will—if he can keep it up—hold the Mariners’ window open long enough for the farm system to rejuvenate (before you scroll to the comments, yes, there are several unspoken premises there you may disagree with; I understand.