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2026 Fantasy Baseball Prospect Call-Up ETAs - Predicting Top MLB Prospect Timelines

Konnor Griffin - Fantasy Baseball Prospects, Draft Rankings, MLB Rookie Sleepers

Eric Cross' 2026 MLB prospect call-up ETAs and predictions. He projects when top fantasy baseball prospects will be called up with his prospect ETA cheat sheet.

Prospects, you can't live with them, and you can't live without them. One of the most difficult tasks each season in redraft leagues is trying to figure out which prospects to target or not target in your drafts, and when they might be up. I'm going to do my best to answer the latter part of that sentence below.

For the last few years now, I've been posting a thread on Twitter/X detailing when I believe some top prospects might be up in the majors, and it's now become a tool for all you RotoBaller content digestors to add to the mix.

My ETAs below are based on each player's current proximity and path to the majors, team context, and a few other variables. These are my best educated guesses, and plenty of outside factors can impact a prospect's arrival time to the majors, both positively and negatively. Hopefully, this cheat sheet can be a helpful tool during your drafts and throughout the season to assist with making decisions on which fantasy baseball prospects to target or stash in your fantasy leagues.

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MLB Prospect Call-Ups and ETAs Cheat Sheet

I have broken down the 2026 MLB prospect ETAs into four groupings:

  • Opening Day
  • Early-Season (April/May)
  • Mid-Season (June/July)
  • Late-Season (August/September)

If you don't see a prospect below -- I either don't have them in my Top 200 prospect rankings, or don't believe they'll debut in 2026.

 

2026 Opening Day Prospect ETAs

Rank Player Position Team
3 Chase Burns P CIN
4 Nolan McLean P NYM
6 JJ Wetherholt 2B/SS STL
12 Samuel Basallo C BAL
13 Trey Yesavage P TOR
17 Dylan Beavers OF BAL
19 Bubba Chandler P PIT
22 Sal Stewart 1B/3B CIN
29 Bryce Eldridge 1B SFG
31 Chase DeLauter OF CLE
39 Carter Jensen C KCR
44 Jordan Lawlar 2B/3B/SS ARI
47 Andrew Painter P PHI
49 Justin Crawford OF PHI
55 Owen Caissie OF MIA
56 Jett Williams 2B/SS/OF MIL
57 Moises Ballesteros C CHC
66 C.J. Kayfus 1B CLE
89 Marcelo Mayer 2B/3B/SS BOS
100 Colby Thomas OF ATH
150 Logan Henderson P MIL
161 Drew Gilbert OF SFG
171 Luis Morales P ATH

 

2026 Early-Season Prospect Call-Up ETAs

Rank Player Position Team
2 Kevin McGonigle SS DET
16 Aidan Miller SS PHI
20 Carson Benge OF NYM
24 Jonah Tong P NYM
26 Colt Emerson SS SEA
30 Travis Bazzana 2B CLE
32 Ryan Waldschmidt OF ARI
35 Payton Tolle P BOS
45 Robby Snelling P MIA
61 Connelly Early P BOS
62 Carson Williams SS TBR
79 Jacob Melton OF TBR
90 Jhostynxon Garcia OF PIT
107 Harry Ford C WAS
118 Brandon Sproat P MIL
147 Brice Matthews 2B HOU
159 Alex Freeland 2B/3B/SS LAD
169 Troy Melton P DET
180 Zac Veen OF COL

 

2026 Mid-Season Prospect Call-Up ETAs

Rank Player Position Team
1 Konnor Griffin SS PIT
9 Walker Jenkins OF MIN
15 Thomas White P MIA
36 Joshua Baez OF STL
41 Lazaro Montes OF SEA
46 Jonathon Long 1B CHC
50 Charlie Condon 1B COL
53 Emmanuel Rodriguez OF MIN
63 Spencer Jones OF NYY
99 A.J. Ewing OF NYM
101 Jaxon Wiggins P CHC
103 Noah Schultz P CHW
108 Gage Jump P ATH
113 Hagen Smith P CHW
115 Ryan Clifford 1B/OF NYM
122 Ricky Tiedemann P TOR
125 Kemp Alderman OF MIA
126 Hunter Barco P PIT
133 Luis Perales P WAS
136 Tommy Troy 2B ARI
140 Michael Forret P TBR
143 Trey Gibson P BAL
160 Christian Scott P NYM
173 Quinn Mathews P STL
181 Ryan Johnson P LAA

 

2026 Late-Season Prospect Call-Up ETAs

Rank Player Position Team
7 Max Clark OF DET
11 Sebastian Walcott SS TEX
21 Josue Briceno C/1B DET
33 Kade Anderson P SEA
34 Michael Arroyo 2B SEA
51 Kaelen Culpepper SS MIN
54 Braden Montgomery OF CHW
70 Jacob Reimer 3B/1B NYM
74 Bo Davidson OF SFG
76 Esmerlyn Valdez 1B/OF PIT
77 Jarlin Susana P WAS
98 George Lombard Jr. SS NYY
110 Ralphy Velazquez 1B CLE
111 Elmer Rodriguez-Cruz P NYY
114 Sam Antonacci 2B/3B CHW
124 Jackson Ferris P LAD
128 Hector Rodriguez OF CIN
130 Brody Hopkins P TBR
134 Cam Collier 1B/3B CIN
135 Carlos Lagrange P NYY
138 Tyler Bremner P LAA
142 Jared Thomas OF COL
148 Angel Genao SS CLE
149 Cooper Pratt SS MIL
154 Santiago Suarez P TBR
162 Brock Wilken 3B MIL
163 Yohendrick Pinango OF TOR
165 Juaron Watts-Brown P BAL
172 Cole Carrigg OF COL
182 James Triantos 2B CHC
183 Max Anderson 2B/3B DET
185 Josh Adamczewski 2B MIL
189 LuJames Groover 3B ARI
194 Parks Harber 3B/1B SFG
195 Kendry Rojas P MIN
196 Xavier Isaac 1B TBR
201 Jeferson Quero C MIL

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