Welcome to the Sports Card MLB Call Up Report. Learn what players are called up and find insights on how that baseball card’s popularity and value might be impacted. This edition’s highlighted baseball card player’s to watch include Jackson Holliday (Baltimore Orioles, shortstop) and Oscar Colas (Chicago White Sox, Outfielder).
Below you can find some of the notable Major League Baseball transactions for each MLB team.
 | 04/10/24 | Chicago Cubs sent RHP Jameson Taillon on a rehab assignment to Iowa Cubs. |
 | 04/10/24 | Chicago White Sox recalled OF Oscar Colás from Charlotte Knights. |
 | 04/10/24 | Baltimore Orioles selected the contract of SS Jackson Holliday from Norfolk Tides. |
 | 04/10/24 | Pittsburgh Pirates optioned RHP Carmen Mlodzinski to Indianapolis Indians. |
 | 04/09/24 | St. Louis Cardinals activated RHP Sonny Gray from the 15-day injured list. |
 | 04/09/24 | Washington Nationals sent OF Nick Senzel on a rehab assignment to Harrisburg Senators. |
| 04/09/24 | Pittsburgh Pirates sent RHP Carmen Mlodzinski on a rehab assignment to Indianapolis Indians. |
Table of Contents
Jackson Holliday (Baltimore Orioles): #1 MLB Prospect Arrives to the Show
Son of former big leaguer Matt Holliday, Jackson has arrived. Holliday is the number one MLB prospect in baseball and baseball card collectors have already been buying Jackson Holliday rookie cards by the bundle. A five tool prospect with power, speed, and pedigree. And what more could the kid ask for opening his MLB career up in the hallowed Fenway Park in Boston!
Any Jackson Holliday card is hot at this time with sports card collectors. Jackson Holliday’s 2022 Bowman Chrome rookie auto is a top card to target. And Jackson’s 2023 Bowman auto is grabbing attention too.
Oscar Colas (Chicago White Sox): Quick Start
Oscar Colas is off to a fast start in 2024. Colas has a homer, stolen base, and is hitting 321 over 28 at bats in AAA. A Chicago White Sox outfield prospect with some pop and a bit of speed.
The top Oscar Colas rookie card autograph to collect is his 2022 Bowman Chrome.
Top MLB Rookies to Watch
Sports Card Call Up Report Conclusion
Keep your eyes on these hot prospects—Jackson Holliday’s time is now! ⚾ 🔥
Happy Collecting!
