Taylor Ward gave everyone a clear view of Mariners' most overlooked design flaw

Early in the first game of the Yankees series, Taylor Ward caught a fly ball off of Ryan McMahon's bat. It may initially seem like he robbed a home run but at most, it was going to be a double. In fact, Statcast gave it an xBA of just .070 and confirmed that it wouldn't be a home run in any of the 30 major league ballparks.

In that same game, there was also an apparent lack of communication between Ward and Cole Young when attempting to field what should've been an easy fly out in right field. Mistakes happen and fielding a baseball can be harder than it looks on television, but unfortunately for the Mariners, this is less of an anomaly and more the norm.

The Mariners' defensive production has been steadily declining over the past several years

To many, Seattle's run prevention is pretty solid but that's largely because of how good the pitching staff has been on its own. Defensive metrics suggest that opponents of the Mariners could be scoring even fewer runs if the fielding was as prolific as the pitching.

Defensive production tends to fluctuate and for the Mariners, their success in 2022 and 2024 was largely driven by outstanding years from Cal Raleigh who won a Platinum Glove for his efforts. With his defensive regression, Cole Young now leads the team in DRS at +13 but no one else on the team is at more than +1.

The players most responsible for dragging the team total down are Josh Naylor (-8), Luke Raley (-6), and J.P. Crawford (-6). None of these are particularly surprising. Neither Naylor nor Raley have been particularly strong defenders throughout their careers and Crawford is on his way out at shortstop. But it may be surprising to note that just above those three is Julio Rodríguez (-3) who is coming off of the best defensive year of his career in 2025.

This is a particular problem because the Mariners already don't score many runs to begin with — the 468 they've scored this year is dead last in MLB. A run prevented is a one fewer the lineup needs to score to win. Seattle's run differential of -27 actually is equivalent to the Astros, who are currently leading the AL West with 62 wins, but it's yet another weakness for an already vulnerable roster.

The pitching will continue to excel but having a single point of failure is hardly the recipe for success in baseball. The Mariners are already on the brink of total collapse and it feels like the team simply can't catch a break. Their playoff odds are down to just 24.0% per FanGraphs and Baseball Reference is even more bearish, giving them a 9.8% chance to make the postseason. At this rate, it'll take more than one or two good catches in the outfield to turn the season around.

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