A's Jesús Luzardo 'borderline dominant' in current bullpen role
Oakland A's prospect video: Jesus Luzardo bullpen session
From Duds to Studs: Analyzing Disappointing Pitchers - FantraxHQ
Analysis: Breaking down Miami Marlins Jesus Luzardo's improvement
MORE
Oakland A's prospect video: Jesus Luzardo bullpen session
Jesus Luzardo has become unusable in Oakland A's bullpen