Amed Rosario’s Unexpected Transition to First Base
Amed Rosario began his career in Flushing, establishing himself as one of the brightest shortstop prospects in baseball while with the Mets. However, his path has taken some unexpected turns since being traded for Francisco Lindor. Now, as he embarks on his eighth year in the league, Rosario finds himself on the brink of a new challenge with the New York Yankees: transitioning to first base.
A New Role Under Boone’s Directive
Upon re-signing with the Yankees, Rosario received an intriguing directive from manager Aaron Boone. He emphasized the need for Rosario to pick up a first base glove as part of his training regimen. “That’s one of the positions we’ll work him out at,” Boone stated. This revelation came from a conversation with Greg Joyce of the New York Post, highlighting the Yankees’ strategic approach to bolstering their roster.
Rosario, who resides in the Tampa area, is expected to return to the Dominican Republic for the Christmas holiday. Following that, he will likely spend considerable time at the Yankees’ complex in January, focusing on adapting to his new role. Boone noted that Rosario had begun this transition last season with the Nationals, although he never got the opportunity to play at first base. “He started to do it a little bit with the Nationals last year,” Boone explained, “never ended up playing, but was doing the work over there a little bit.”
Preparing for a Versatile Future
The Yankees’ decision to explore Rosario’s versatility underscores their strategic planning for the upcoming season. With his extensive experience at shortstop, the shift to first base represents not only a challenge for Rosario but also an opportunity for the Yankees to enhance their infield depth.
As Rosario prepares to ramp up his training, the organization is looking to ensure that he is well-equipped to contribute in multiple capacities. The aim is to have him ready to step into the lineup wherever needed, showcasing his adaptability in a league where flexibility can be a game-changer.
With this new chapter ahead, fans will be watching closely to see how Rosario embraces this transition—one that could redefine his role within the Yankees and further his journey in Major League Baseball.

