Vladimir Guerrero Jr. hitting in cage, targeting return this weekend
The Blue Jays first baseman is progressing through concussion protocol and could rejoin Toronto as early as this weekend, per MLB.com.

Vladimir Guerrero Jr. is recovering from a concussion and has advanced to hitting in the batting cage, with the Blue Jays targeting a return this weekend, MLB.com reported. The timeline would position him to rejoin Toronto when the club opens a series at Yankee Stadium on Friday — assuming the protocol cooperates, which, as any baseball fan knows, is the one variable that never checks the calendar.
What happened
Guerrero is working through the league's concussion protocol and has reached the stage where he is taking swings in controlled settings, per MLB.com. The report described him as on track to return this weekend, though no formal activation date has been announced by the club.
The concussion protocol is a graduated process overseen jointly by the league and club medical staff. Players advance through stages that include rest, light aerobic activity, strength training, and baseball-specific drills before being cleared for game action. Reaching the batting cage typically signals the later phases of that process — after a player has tolerated cardiovascular work and shown no recurrence of symptoms. It is encouraging news, but it is not a clearance date.
The Blue Jays have not disclosed when Guerrero sustained the concussion or how many days he has been sidelined. The league maintains a seven-day concussion injured list, though players may remain out longer depending on symptom resolution and medical clearance. No corresponding roster move has been announced.
Why it matters
Guerrero is Toronto's primary first baseman and a central figure in the middle of the lineup. His absence removes one of the club's most consequential bats during a stretch in which the Blue Jays are trying to remain within range of the American League Wild Card picture — a picture that, at the moment, requires a very specific squint.
The timing of his potential return aligns with a six-game road trip that begins Wednesday in Tampa Bay and continues through the weekend in New York. Toronto will face Drew Rasmussen on Wednesday and Ian Seymour on Thursday in the final two games at Tropicana Field before opening the Yankees series with Cam Schlittler on the mound Friday. That Friday start is the earliest realistic target for Guerrero's return, per the MLB.com report.
The Blue Jays have not announced a corresponding roster move, and it remains unclear whether Guerrero will require a brief minor-league rehab assignment before activation. Players returning from the concussion list are not bound by the same rehab-assignment length limits that govern the standard injured list, but clubs sometimes use a short assignment to ensure a player is comfortable at live pitching before returning to a major-league lineup.
The numbers
Toronto entered the week at 72-72 (.500), fourth in the AL East and 13.5 games behind the division lead. In the Wild Card standings, the Blue Jays rank fourth, sitting 1.0 games relative to the cut line, and arrive at this series having dropped their most recent game.
Those numbers frame the stakes plainly. At .500, Toronto is not a team that can absorb prolonged absences from its best hitters without consequence. The Wild Card margin of 1.0 games relative to the cut line means the club is still in the conversation — but just barely, and with the kind of arithmetic that makes every lineup card feel like a negotiation.
Where the club stands
The Blue Jays are fourth in the AL East at 72-72, 13.5 games off the division lead and carrying a one-game losing streak into the Tampa Bay series. After two games at Tropicana Field — Max Scherzer goes Wednesday against Rasmussen, Shane Bieber follows Thursday against Seymour — the club heads to Yankee Stadium for the weekend.
The schedule offers little margin for error. The Yankees have been one of the American League's steadiest presences this season, and Tropicana Field is rarely a comfortable road stop. Toronto will need to navigate both venues with or without Guerrero, and the Wild Card arithmetic does not allow for a prolonged stumble.
The roster picture will shift slightly on September 1, when the league expands active rosters from 26 to 28 players. If Guerrero's return falls after that date, the club would have additional flexibility in managing the corresponding move. If he returns this weekend, as the report suggests is possible, the Blue Jays will need to clear a spot on the current 26-man roster.
What we don't know yet
The Blue Jays have not specified when Guerrero will be activated or whether a rehab assignment is under consideration. MLB.com described him as on track to return this weekend, but no formal date has been set and no official announcement has been made.
The report did not include information about when the concussion occurred, the mechanism of injury, or the initial symptoms that placed him in the protocol. The club has not provided a detailed timeline, so the number of games Guerrero has missed is not part of the available record here.
It is also unclear who would be removed from the active roster to make room for Guerrero upon his return. Toronto has not addressed that question publicly, and the answer may depend on whether the return comes before or after the September 1 expansion date.
What to watch
The most immediate signal will be whether the Blue Jays provide a roster update as the weekend approaches. If Guerrero clears the protocol without setback, he could be available for Friday's series opener in New York. If the club opts for a brief rehab assignment, his return would be pushed back, though by how much would depend on the club's preference and his symptom status.
The concussion protocol does not follow a fixed calendar. Some players clear it in the minimum window; others require additional time depending on how symptoms resolve and how medical evaluations proceed. Guerrero's progression to cage work suggests he is in the later stages, but final clearance rests with the medical staff and the league's concussion specialists — not with the schedule, and not with the Wild Card standings, however urgently those might argue otherwise.
Toronto's lineup construction will shift once Guerrero is back. His return would allow the Blue Jays to restore their preferred batting order for the final weeks of the season, a stretch in which the margin between staying in the Wild Card race and falling out of it is measured in single games. The club's ability to win in Tampa Bay and New York before he returns will go a long way toward determining how much that return actually matters.
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