The Potential Tools: 60 arm, 55 hit, 50 glove

Strengths: Above-average athlete; high baseball IQ; plus reads and reactions; quick first step; average range; quick, strong wrists; above-average bat speed; short, compact swing through hitting zone; linear swing path designed for line drives; will use all fields; true feel for barrel; shows pitch ID skills and reactions; advanced approach and plan; can square velocity; above-average arm strength; quick release after smooth transfer from glove to hand; average raw power comes from strength in wrists and core; present gap-to-gap doubles power; praised for baseball makeup; polished player.

Weaknesses: Lacks projection; run is below average; despite reactions and quick first step, range is limited due to lack of overall foot speed; lacks premium athleticism; power could play well below average; below-average foot speed could force a move off the position.

Role Ceiling: 50; major league regular SS.

Risk: Moderate

Summary: The main piece in a deal that sent Ben Zobrist and Yunel Escobar to the A’s, Robertson is a polished prospect who is close to major league ready. He shows above-average bat speed, an advanced approach at the plate, and the ability to drive the ball all over the field. Robertson is an above-average athlete with average reads and reactions in the field but smooth and soft hands when fielding and transferring to his plus arm. His polish at the plate suggests he will have a solid-average hit tool but his lack of quick steps limits his range and has some questioning whether he’ll be able to stay at shortstop. If he doesn’t, he will have the arm to handle third base and the potential bat to handle second.