While the Yankees are clearly looking to upgrade their rotation, there’s no guarantee they’ll add anyone — let alone a significant piece like San Francisco’s Madison Bumgarner or Cleveland’s Trevor Bauer, which is why they could also be interested in Arizona left-hander Robbie Ray.

Tim Wilken, the Diamondbacks’ special assistant to the general manager, has been in Tampa, scouting the Yankees’ Single-A team. The Yankees and Arizona have done business in the past, such as when the Yankees acquired Brandon Drury from the Diamondbacks in spring training last year.

The 27-year-old Ray is 6-6 this season with a 3.96 ERA and has a high strikeout ratio, something the Yankees like.

But he walks plenty of hitters and is hardly dominant, meaning the Yankees and GM Brian Cashman would no doubt look to make other improvements either to their rotation or bullpen even if they landed Ray, who has also drawn interest from the Phillies.

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