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milbinsider.bsky.social
The Toronto Blue Jays are calling up Rudy Martin Jr for his Major League debut.

#mlbdebut
September 11, 2026 at 6:56 PM
milbinsider.bsky.social
The Los Angeles Dodgers are calling up Josue DePaula for his Major League debut.

#callup #mlbdebut
September 10, 2026 at 4:17 AM
milbinsider.bsky.social
The Seattle Mariners are calling up Michael Arroyo for his Major League debut.

#callup #mlbdebut
September 6, 2026 at 6:03 PM
milbinsider.bsky.social
The Cincinnati Reds are calling up Carlos Jorge for his Major League debut.

#callup #mlbdebut
September 4, 2026 at 2:04 AM
hawkstalkers.bsky.social
Laz Montes Appreciation post #cardsky #goms #mlbdebut
September 2, 2026 at 6:13 AM
milbinsider.bsky.social
The San Diego Padres are calling up Ethan Salas for his Major League debut.

#callup #mlbdebut
September 1, 2026 at 3:50 AM
milbinsider.bsky.social
The Miami Marlins are calling up Jared Serna for his Major League debut.

#callup #mlbdebut
August 31, 2026 at 10:40 PM
milbinsider.bsky.social
The Chicago Cubs are calling up BJ Murray for his Major League debut.

#callup #mlbdebut
August 31, 2026 at 10:05 PM
milbinsider.bsky.social
The Seattle Mariners are calling up Lazaro Montes for his Major League debut.

#callup #mlbdebut
August 31, 2026 at 1:40 AM
milbinsider.bsky.social
The Minnesota Twins are calling up Walker Jenkins for his Major League debut.

#callup #mlbdebut
August 27, 2026 at 9:39 PM
loloinolytown.bsky.social
The Kade Anderson MLB debut stat line:

81 Pitches
5 2/3 innings
3 runs (all earned)
5 hits
2 base on balls
5 strikeouts
2 home runs (final two consecutive pitches)

#TridentsUp #GeauxTigers #ARTravs #MLBDebut #KadeAnderson
August 23, 2026 at 1:43 AM
vserrao16.bsky.social
Kade Anderson provided a solid debut for the Mariners but the sixth inning crept on him as he allowed back-to-back homers ⚾️ #kadeanderson #seattlemariners #mlbdebut @ibwaa.bsky.social

www.yardbarker.com/mlb/articles...
Kade Anderson's MLB debut for Mariners was a mixed bag
Seattle Mariners' No. 1 pitching prospect Kade Anderson made his long-awaited MLB debut on Saturday night against the Chicago Cubs.
www.yardbarker.com
August 23, 2026 at 2:01 AM
milbinsider.bsky.social
The Seattle Mariners are calling up Kade Anderson for his Major League debut.

#callup #mlbdebut
August 20, 2026 at 10:42 PM
vserrao16.bsky.social
Kade Anderson will make his highly anticipated debut for the Mariners on Saturday. The 22-year-old’s talent speaks volumes as he’s dominated with a 10-1 record and a 1.06 ERA ⚾️ 🔥 #seattlemariners #kadeanderson #mlbdebut @ibwaa.bsky.social

www.yardbarker.com/mlb/articles...
Kade Anderson will make his highly anticipated debut for the Mariners on Saturday
The Seattle Mariners are finally calling up their top pitching prospect Kade Anderson, who will make his long-awaited debut on Saturday.
www.yardbarker.com
August 21, 2026 at 12:55 AM
milbinsider.bsky.social
The St Louis Cardinals are calling up Joshua Baez for his Major League debut.

#callup #mlbdebut
August 14, 2026 at 10:42 PM
milbinsider.bsky.social
The Seattle Mariners are calling up Brock Rodden for his Major League debut.

#callup #mlbdebut
August 13, 2026 at 11:01 PM
zeitline.bsky.social
George Lombard Jr. homers on MLB debut as Yankees' top prospect announces himself in the Bronx #MLB #Yankees #GeorgeLombardJr #BaseballDebut #MLBDebut
George Lombard Jr. homers on MLB debut as Yankees' top prospect announces himself in the Bronx
George Lombard Jr., the New York Yankees' top prospect, homered in his second major league plate appearance on debut against the St. Louis Cardinals — on the same night his brother Jacob did the same in his own professional debut.
zeitline.news
August 6, 2026 at 4:41 AM
spartybball.bsky.social
Chase Lee…that’s a hell of a first MLB strikeout with the bases loaded…can’t wait to see what the future holds for that young man!!!

#Eat’EmUp
#DetroitTigersBaseball
#DetroitBaseball
#MLBDebut
#FirstStrikeout
April 23, 2025 at 12:57 AM
humankind.usatoday.com
Watch emotional dad break down into proud tears at his son’s first MLB appearance. #sportskind @mlb.com #baseball
There IS crying in baseball - just ask this dad who’s holding back exactly 0 tears watching his son’s MLB debut. #humankind #mlb #baseball #pitcher #hopecore #kindcore #mlbdebut #orionkerkering @MLB
TikTok video by Humankind
www.tiktok.com
February 26, 2025 at 3:14 PM
millcreeksports.bsky.social
𝟲𝗬𝗢 𝗣𝗨𝗟𝗟𝗦 𝗝𝗢𝗘 𝗕𝗢𝗬𝗟𝗘 𝗠𝗟𝗕 𝗥𝗢𝗢𝗞𝗜𝗘 𝗗𝗘𝗕𝗨𝗧 𝗣𝗔𝗧𝗖𝗛 𝗔𝗨𝗧𝗢𝗚𝗥𝗔𝗣𝗛 𝗖𝗔𝗥𝗗 𝗔𝗧 𝗠𝗖𝗦!!!

Only 251 of these 1/1 cards exist, appearing just once in every 28,105 hobby box packs. Congrats, Cooper!

𝗚𝗥𝗔𝗕 𝗔 𝗕𝗢𝗫:
bit.ly/24-topps-chr...

#2024toppschromeupdateseries #rookiedebutpatchauto #mlbdebut #thehobby #whodoyoucollect
December 7, 2024 at 2:04 AM
pebblebrookpets.bsky.social
🐾 [Tail-Wagging Tuesday] From Triple-A to MLB!
Bruce the golden retriever made his MLB debut at Nationals Park 🎉
Bat fetch? ✅ Crowd cheer? ✅ Heart-melter? ✅
He’s not just a bat dog—he’s a good boy on a mission 🐶💛
#BatDogBruce #MLBDebut #TailWaggingTuesday #DogInTheDugout #PupsInThePark
July 2, 2025 at 1:11 PM
umlegacypress.com
Mariners call up top prospect Emerson for debut: The Mariners are calling up star prospect Colt Emerson, adding the No. 6-ranked prospect to the lineup for his major league debut. #ColtEmerson #MLBDebut #Mariners #Baseball #TopProspect #Baseball #MLB #MLBDebut #Mariners #ColtEmerson
May 17, 2026 at 10:21 PM
saberflextrics.bsky.social
misio-hawny

the brewers are absolutely spoiled with young arms

#mlbdebut

youtu.be/xEyfRS49lOc?...
Cardinals vs. Brewers Game Highlights (6/12/25) | MLB Highlights
YouTube video by MLB
youtu.be
June 15, 2025 at 4:33 AM
allsports1188.bsky.social
2024 Topps Chrome Update - MLB Debut Patch 1/1 Tracker. I created this as a free resource for all baseball card collectors! Updated multiple times per day.

shorturl.at/2aO6S

#allsportscollectibles #mlb #baseball #mlbdebut #1of1 #oneofone #topps #toppschrome #toppschromeupdate
2024 MLB DEBUT PATCH TRACKER
shorturl.at
November 21, 2024 at 9:46 AM
fetchfeeds.bsky.social
Connelly Early, a Boston Red Sox lefty, made an impressive MLB debut with 11 strikeouts and a shutout performance against the Athletics. #MLBDebut https://fefd.link/OYcn7
September 10, 2025 at 11:10 AM