5:39pm: Struggling first baseman/outfielder Chris Marrero has been designated for assignment, Shea tweets. In the other corresponding move, veteran utilityman Aaron Hill was sent to the 10-day DL with a forearm strain.
5:24pm: The Giants will promote top infield prospect Christian Arroyo, according to Alex Pavlovic of NBC Sports Bay Area (via Twitter). Also joining the MLB roster is veteran outfielder Drew Stubbs, per John Shea of the San Francisco Chronicle (Twitter link).
Arroyo, who’s still just 21 years old, was taken 25th overall in the 2013 draft. Since, he has steadily moved up the ladder toward the majors, with the Giants facing steadily growing calls to give him a shot at the game’s highest level.
While there have been several opportunities, San Francisco has to this point kept the youngster in the pipeline. Arroyo struggled last year upon making the leap to Double-A, causing him to drop out of Baseball America’s listing of the top-100 prospects (though he remains 89th on MLB.com’s ranking) and further extending his timeline.
But that all changed with the beginning of the current season. The Giants have staggered out of the gates and will now be forced to navigate the tough NL West without ace Madison Bumgarner. Arroyo, meanwhile, has thrived in brief action at the game’s highest level. Through 69 plate appearances, he is slashing a robust .446/.478/.692. While he has drawn just a pair of walks, Arroyo has also gone down on strikes only eight times.
While he has played mostly at shortstop in the minors, Arroyo will line up at third base upon his arrival in San Francisco. Indeed, he’ll plug right into the lineup, taking the sixth spot in the batting order while starting at the hot corner tonight. Eduardo Nunez is playing in left field; presumably, he’ll see a good bit of time there while also stepping into the infield when needed.