MiLB details 2026 Spring Training dates; Triple-A show-up windows tied to MLB

MiLB published a consolidated guide to 2026 Spring Training dates on Feb. 13 and made explicit that MLB club report dates for pitchers/catchers and full squads determine when Triple-A players enter their show-up windows. The guide ties operational timing for minor-league affiliates directly to the MLB calendar as pitchers and catchers begin arriving the week of Feb. 10 and position players follow in mid-February.

Pitchers and catchers begin reporting Feb. 10, with ESPN framing that window as Feb. 10–13 and FantasyAlarm calling Feb. 10 the opening. FantasyAlarm summed the moment this way: "The unofficial start of the baseball season is always marked by the arrival of pitchers and catchers. For the MLB spring training 2026 dates, the window opens tomorrow, Tuesday, February 10." Full-squad workouts are set for Feb. 14–17, and the first spring training games kick off Feb. 20, with all 30 clubs taking the field by Feb. 21 according to FantasyAlarm and ESPN.

FantasyAlarm published a team grouping table with explicit report dates that will matter to Triple-A depth planning. The "Early Birds" whose pitchers and catchers report Feb. 10 include Boston, San Francisco, Texas, Atlanta, Chicago White Sox and Arizona, with those teams' position players arriving Feb. 15. "Mid-Week" clubs reporting pitchers and catchers Feb. 11 are Houston, Philadelphia, Toronto, Detroit, Baltimore, Chicago Cubs and Cincinnati, with position players Feb. 16. "Late Week" teams pitcher/catcher dates of Feb. 12 include New York Yankees, St. Louis, Seattle, Milwaukee, Cleveland and Colorado, and the "Final Arrival" lists Los Angeles Dodgers reporting pitchers and catchers Feb. 13 with position players Feb. 17.

The World Baseball Classic will cut through spring camp timing. FantasyAlarm notes WBC participants typically have earlier mandatory reporting dates, "typically Feb 9–11," and ESPN and FantasyAlarm list MLB-vs-national-team exhibition games Mar. 3–4, including Team USA vs. Giants on Mar. 3 and Team USA vs. Rockies on Mar. 4. MiLB cites an Orioles exhibition against the Netherlands on Tuesday, March 3 with a 1:05 p.m. first pitch and explicitly ties that game to the WBC beginning on Thursday, March 5; ESPN lists the WBC window as March 4–17, a discrepancy teams and Triple-A operators will want to reconcile with official WBC scheduling.

Prospects and neutral-site exhibitions headline late-March programming. MLB and FantasyAlarm schedule a Spring Breakout prospect showcase Mar. 19–22 with MLB noting 16 exhibition games composed entirely of minor-league stars; MiLB pins a marquee matchup Mar. 20 when top Orioles and Red Sox prospects meet at Ed Smith Stadium with a 6:05 p.m. first pitch. MLB also enumerated a host of Mar. 22–24 exhibitions at Major and Minor League parks, including the three-game Freeway Series (Dodgers vs. Angels at Angel Stadium on Mar. 22 and at Dodger Stadium Mar. 23–24), Orioles vs. Nationals at Camden Yards Mar. 23 and Nationals Park Mar. 24, Royals at Rangers Globe Life Field Mar. 23–24, Guardians at Diamondbacks Chase Field Mar. 23–24, Reds at Brewers American Family Field Mar. 23–24, Giants visiting Triple-A Sacramento River Cats at Sutter Health Park on Mar. 20 and Giants hosting Monterrey Sultanes at Oracle Park Mar. 23–24, and Astros hosting Triple-A Sugar Land Space Cowboys at Daikin Park Mar. 23–24.

Neutral-site matchups begin earlier in March as well: Oakland hosts the Angels in Las Vegas Ballpark on March 7–8, and MLB lists crossover contests such as the Yankees visiting the Cubs at Sloan Field in Mesa and the Tigers traveling to Salt River Fields to play the Rockies on March 23–24. MLB cautioned that "Additional exhibition games at Major and Minor League ballparks are expected to be added in the coming months," a reminder that Triple-A show-up windows and roster logistics may continue to shift.

The calendar has concrete local implications. Baltimore's Opening Day at Camden Yards is set for March 26 at 3:05 p.m.; the Frederick Keys return to affiliated baseball with a road opener April 3 at Spartanburg against the Hub City Spartanburgers and a home opener April 14 at Nymeo Field at Harry Grove Stadium at 7 p.m., with single-game tickets and promotional schedules to be released later. FantasyAlarm's "Key Storylines to Watch" also flags roster battles that will play out in camp and affect Triple-A depth: "Red Sox Outfield Logjam," "Blue Jays Rotation" with six starters for five slots, and the "Mariners' Youth Movement" where "top prospects like Colt Emerson will get extended looks" while veterans head to the WBC.

With MiLB's guide published Feb. 13 and multiple outlets confirming the Feb. 10 pitchers-and-catchers window and Feb. 20 openers, Triple-A operators, front offices and fans can now map show-up windows to MLB club timelines and begin planning calls, options and promotional calendars around a spring that will be compressed by international play and prospect showcases.