Pirates shortstop Konnor Griffin begins rehab assignment after left ring-finger sagittal band injury

The Pittsburgh Pirates are taking a step toward getting their infield depth and everyday options back with the news that shortstop Konnor Griffin is scheduled to begin a rehab assignment. The move comes after Griffin missed a stretch beginning in early July due to a sagittal band injury in his left ring finger, an issue that affected how he could grip and control the hand for catching and throwing.

According to MLB Trade Rumors, the Pirates’ initial placement on the injured list for Griffin was retroactive to July 6. A few days later, the team transferred him to the 60-day injured list. That timeline matters because it frames how long the club expected the recovery process to take and sets a defined window for when Griffin could return to active roster play.

MLB Trade Rumors further reported that, with Griffin beginning his rehab now, the timing is roughly in line with the Pirates’ earlier outlook for an eight- to ten-week absence. The report notes that the rehab period begins right around the eight-week mark since the start of the injured-list placement cycle, meaning the Pirates are pushing for an activation timeline that matches the projected recovery window.

The most specific return marker in the reporting is a September 4 eligibility reference. MLB Trade Rumors said Pirates senior director of sports medicine Todd Tomczyk told reporters about a week earlier that Griffin might be activated as soon as he is eligible on September 4. Rehab assignments typically function as the bridge between medical clearance and real game-readiness, so the coming days will indicate whether Griffin’s finger and overall hitting and defensive routine are stable enough for that next step.

A rehab assignment also has immediate lineup implications for Pittsburgh’s infield alignment. Griffin’s return would alter how the Pirates distribute at-bats and defensive reps across their middle-infield group, particularly if the club wants to maintain continuity at shortstop while also limiting stress on a returning player. Until the Pirates confirm how they plan to use him during the activation window, the short-term question is whether Griffin returns to a full-time defensive role immediately or is handled with a measured ramp-up.

From a roster-management standpoint, the Pirates’ approach reflects a common late-season tension for teams that are trying to balance present needs with postseason preparation. Even without addressing any other personnel changes, the act of beginning a rehab assignment indicates that the organization believes Griffin is past the most restrictive phase of the injury and can start the task-specific steps required for MLB competition.

The key next development will be what happens during the rehab games themselves, including how Griffin’s left ring finger tolerates the day-to-day demands of batting, fielding, and throwing. If the rehab progresses without setbacks, the September 4 activation date becomes the operational target the organization is working toward. If anything is inconsistent during those games, Pittsburgh could decide to extend the timeline and use extra at-bats and defensive work to avoid rushing the return.