Left-hander A.J. Puk's season is over before it ever began. The top A's prospect will undergo shoulder surgery next week, manager Bob Melvin announced before Friday night's game at Texas.

A.J. Puk was slated to be a key component of Oakland's march toward the 2020 postseason. That expectation has gotten slimmer with each passing day. On the Injured List since July 20, the newly crowned top A's prospect has suffered another apparent setback in his recovery from a left shoulder

Sean Murphy entered Monday night on the verge of losing his status as a prospect. He made sure to celebrate that graduation in style. The now-former top A's prospect homered for a second straight game, singled and drove in a season-high three runs to help down the Astros, 6-0, at

Jesus Luzardo entered Wednesday's start against the D-backs determined to prove that what he's shown through his professional career to this point is just the tip of the iceberg -- that he's got another gear he can tap. Mission accomplished. MLB Pipeline's No. 13 overall prospect showcased exactly that as

Rivalries bring emotion, tension and drama, providing backdrops for some of the most memorable moments in sports. But in the shadow of a global pandemic, two ordinarily adversarial organizations have banded together to add a new dimension to their storied rivalry: partnership.

The last time A's fans saw Jesus Luzardo pitch, he logged three scoreless innings in the American League Wild Card game. He did the same in his return to the big league mound on Saturday, albeit on a much smaller stage. Oakland’s top prospect logged three frames of scoreless relief

The kids are all grown up. Some of the best and brightest prospects baseball has to offer have found their way onto Major League rosters for the opening of the 2020 season. In a sport in which players are conditioned to pace themselves for a six-month marathon, the 60-game schedule

The start of the 60-game Major League season is less than a week away, and the Athletics will begin play without one of their top youngsters. Third-ranked Oakland prospect A.J. Puk was placed on the Injured List on Monday afternoon with a shoulder strain. He met with a doctor in

Top A's prospect Jesus Luzardo has tested positive for COVID-19 and will need to self-isolate for at least 14 days, per Major League Baseball protocol. Ranked as MLB.com's No. 12 overall prospect, Luzardo was already on the A's 40-man roster and expected to boost a solid big league rotation, along

As part of the new rules for the 2020 Major League season, each of the 30 organizations will maintain a 60-man player pool for the duration of the campaign. Some members of the player pool will feature on the active Major League roster while others will work out at an

In the first move since the Major League roster freeze was lifted last week, the A's shipped their No. 7 prospect, infielder Jorge Mateo, to the Padres for a player to be named or cash considerations. The native of the Dominican Republic is coming off a season in which he

Following the five-round 2020 MLB First-Year Player Draft, MiLB.com takes an organization-by-organization look at each pick with help from team scouting executives.

Players at all levels of the Minor Leagues missed significant playing time in 2019 due to injury only to have their return interrupted by the global pandemic. Each week, MiLB.com checks in on an elite prospect’s road back from injury. This week, we focus on Oakland A’s infielder Nick Allen.