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Scouting Report
Updated May 19, 2026
Dylan Rock (Chase Dollander) is a 9th overall pick from the 2023 draft who was placed on the 15-day injured list with a right elbow sprain after leaving a start against Pittsburgh in the second inning on May 16, 2026. The injury occurred after he first felt arm discomfort following a start in Philadelphia. Dollander showed a velocity dip (97-98 mph vs. usual 99 mph) and was pulled from the game. Prior to the injury, he had posted a 3.35 ERA across 43 innings with a 26% strikeout rate and 99 mph average fastball velocity, showing significant improvement from his rookie season struggles at Coors Field.
Strengths
- + 9th overall pick in 2023 draft
- + 3.35 ERA in 43 innings this season
- + 26% strikeout rate
- + 99 mph average fastball velocity
- + Major improvement from rookie season
- + Key member of Rockies pitching staff
Weaknesses
- - Right elbow sprain requiring 15-day IL placement
- - Arm discomfort first felt after Philadelphia start
- - Velocity dip in final appearance (97-98 mph)
- - Early exit in second inning
- - Struggled at Coors Field as rookie
- - Rockies in rebuild mode with 17-27 record
Injury Status: IL-15
About
Dylan Rock is a left fielder for the Chicago Cubs.
Player Overview
LF
Chicago Cubs