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Fantasy Baseball Prospects Analysis: Week 15 Primer

Click here for the latest news, advice and analysis on the fantasy baseball prospects called up to the majors. Joseph Berger brings you weekly MLB prospect news/status reports here!

Welcome to the weekly Fantasy Baseball Prospect Primer.  In this space, we will inform you about prospects who have recently been called up or who might become fantasy contributors in the near future. Especially good for Keeper leagues, you'll want to check in weekly to get the latest news and advice for the coming week about prospects of fantasy relevance. Whether you need a great future keeper or you're just tired of starting Phil Hughes in that last SP slot, or if you're just looking for the next big thing in fantasy baseball, this is the article for you!

 

THE CALL-UPS

fantasy baseball

Oakland Athletics Grant Green (35) at bat during the third inning against the Kansas City Royals at Surprise Stadium. Jake Roth-USA TODAY Sports via SportsJerks.net

Grant Green (SS/2B, OAK) – I almost thought I wouldn't have any worthy call-ups this week to promote in my article, but the Oakland Athletics came through with their first-round pick from the 2009 MLB Draft. We have been a bit spoiled recently with big-name call-ups in recent weeks, and this solid middle infielder is no exception to that trend for fantasy managers.

Green started his minor league career as a shortstop before moving to the outfield and then finally transitioning to second base, where it seems his career will proceed uninterrupted. Green currently maintains eligibility at both SS and 2B, and that flexibility is a very nice feature for a waiver wire pickup. Now, I’m not telling you to drop what you’re doing and add him, because truth be told, Green is far from a sure thing, but he should supply above-average offensive statistics for his position(s). Through 81 games in the minors, he batted .318/.374/.500 with 11 HR and 49 RBI.

He reminds me a lot of Gordon Beckham when he was called up, with quick hands and a good line-drive stroke through the hitting zone. Don’t expect great power in the majors, but doubles should come immediately. Another thing to note about Green is that he has shown signs of streakiness. There will be cold weeks and there will be hot weeks. Personally, I place a premium on consistency in my fantasy lineup, but when prospects are on a tear (i.e., Yasiel Puig), you can’t ignore what they are capable of. At 2B, I’d take Green over Rickie Weeks, Brian Dozier, and Marco Scutaroand at SS I would rank him above Erick Aybar, Jimmy Rollins and the Escobars. It will be interesting to see where in the lineup the A's will slot him.  He could be in line for some RBI opportunities, but that is going to be contingent on where he hits in the order. Either way, he should play most days over light-hitting Eric Sogard, so if you’re in need of a middle-infielder, Green could be your guy.

 

Erasmo Ramirez (SP, SEA) – Also added to the mix Monday night was Seattle’s hidden gem Erasmo Ramirez. He isn’t technically a prospect as he pitched 59 innings in 2012, but many of you may have forgotten him and his 3.36 ERA/ 1.00 WHIP through those innings. He was injured in Spring Training and has been rehabbing successfully in the Mariners’ minor league system. This year he carries a 2.96 ERA between stints at Double-A and Triple-A.

Jeremy Bonderman’s time with the Mariners was temporary as he was designated for assignment, and that leaves an open spot for Thursday’s turn in the rotation. Eric Wedge stated on Monday that it would be someone from Triple-A. Unless they want to give Taijuan Walker a go (which is highly unlikely) then Ramirez is in for that rotation spot for the rest of the year.  Even more impressive than the ERA and WHIP from his short stint in the majors last year was his 48:12 strikeout/walk ratio and the pristine .217 BAA. That number is comparable to Matt Harvey and actually lower than teammate Felix Hernandez.

If you have a struggling or inconsistent starter, I believe this is a chance to capitalize. The wins aren’t going to be enormous, but Ramirez will be capable of quality starts most times out, and with superb control and previous major league experience, he should be a fifth or sixth fantasy starter easily. Go grab him if you can-- I certainly did in my leagues.  I wasn’t shy about it and he is standing at around 10% owned in leagues right now. That number will rise as soon as managers remember him from last year, which won’t be long. His stuff can be downright nasty and he's a very solid play at Safeco Field with a career 2.79 ERA, 0.72 WHIP and an even more tremendous .170 BAA. Bid with confidence on the young hurler.

 

OTHER NOTES AND BITS

CastellanosNick Castellanos (3B/OF, DET) – The combination of Andy Dirks and Avisail Garcia has provided average-at-best outfield production for the Tigers. And in that connection, I’d just like to remind everyone to watch Castellanos very closely. He brings third base eligibility and will be inserted into an extraordinarily productive linuep immediately upon receiving the call. I would expect a call-up shortly after the All-Star break, as long as Dirks and Garcia continue to stumble at the plate.

 

Tyler Skaggs (SP, ARI) – Skaggs was recalled Friday for a start against the Rockies at home. He excelled in his second debut of the season (intentional oxymoron), and anyone who owned him (currently between 7%-10%) welcomed the eight innings of no-run-ball he provided. He allowed three hits and one walk while fanning five batters in the outing. That is the kind of improvement we love to see from a prospect coming back up, even if the Rockies were without Troy Tulowitzki, Carlos Gonzalez, and Dexter Fowler in the line-up. Skaggs will be a solid addition to the back end of a fantasy rotation if used wisely, as he should be in line for the fifth rotation spot in Arizona or at worst traded to some team where he will get regular starts. At present, he remains in the rotation spot previously occupied by the rehabbing Trevor Cahill.

 

 Josh Phegley (C, CWS) – An under-the-radar prospect is always fun for me. Phegley was called up by the White Sox to share duties with Tyler Flowers at catcher. The youngster from the 2009 draft doesn’t have a great resume, but his bat and power have come alive in his fourth year behind the plate. He smacked 15 HR at Triple-A while hitting .316 with decent plate discipline. He could be an interesting option in AL-Only leagues or two-catcher formats, depending on the playing time he receives.

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If you want this article and other high-end fantasy baseball analysis delivered to you on a daily basis, sign up for our daily newsletter.  And to stay on top of all the waiver wire news including prospect call-ups and DL news, be sure to check out the RotoBaller Waiver Wire Watch List daily updates for in-depth analysis on gems that you may be able to find sitting on your waiver wire.  It’s one of the best fantasy baseball features currently on web!




REAL-TIME FANTASY NEWS

Elly De La Cruz

to Miss 2-4 Weeks of Action
Chase Burns

is Scratched Due to Illness
A.J. Brown

Traded to Patriots in Blockbuster Deal
Deiveson Figueiredo

Suffers Second-Round Submission Loss
Song Yadong

Gets Second-Round Submission Win
Russell Wilson

Taking a Job with CBS for 2026 Season
JuJu Smith-Schuster

Giants Adding JuJu Smith-Schuster on a One-Year Deal
Zhang Mingyang

Suffers Back-To-Back Losses
Alonzo Menifield

Gets Back In The Win Column
Braxton Berrios

New York Giants Agree to One-Year Deal with Braxton Berrios
Odell Beckham Jr.

Signing with Giants
Tallison Teixeira

Suffers First-Round Knockout Loss
Myles Garrett

and Jared Verse Swap Teams in Blockbuster Deal
Sergei Pavlovich

Scores First-Round Knockout Win
Cameron Smotherman

Suffers Third Loss In A Row
Edwin Arroyo

Reds Promote Top Infield Prospect Edwin Arroyo, Viewed as Priority Pick Up Ahead of MLB Debut
Kai Asakura

Earns His First UFC Win
Elly De La Cruz

Placed on IL with Right Hamstring Tightness
Mason Taylor

Dynasty Value Takes a Hit for Now
Denny Hamlin

Earns the first Nashville Cup Series Victory of his Career on Sunday
Zachariah Branch

a Steal in the Second Round of Rookie Drafts?
Christopher Bell

Finishes as the Runner-Up at Nashville
Chase Briscoe

Earns First Career Podium Finish at Nashville
Ryan Blaney

Scores A Solid Top-10 Finish at Nashville
Eli Stowers

Worth Targeting Now Before Eventual Breakout?
Kyle Larson

Top-10 Streak at Nashville Ends after Late Flat Tire Spin
Germie Bernard

Expected to Require Some Patience in Dynasty Leagues
Denzel Boston

a First-Round Target in Dynasty Rookie Drafts
Bryce Young

Dynasty Value Impacted by Inconsistency
Jeremiyah Love

Can Jeremiyah Love Become an Instant Fantasy Contributor?
Odell Beckham Jr.

Giants Working Out JuJu Smith-Schuster and Braxton Berrios in Addition to Odell Beckham Jr.
Odell Beckham Jr.

Working Out for Giants
A.J. Brown

Could Be Dealt Within Next 24 Hours
Parker Washington

Set to Play "Most Important Role" of His Career in Jaguars Offense
Elly De La Cruz

Exits with Hamstring Tightness
Tyler Reddick

Is One of the Top Favorites to Win at Nashville
Kyle Larson

May Continue his Top-10 Consistency at Nashville this week
Christopher Bell

Is One of the Top Competitors for the Win at Nashville
Chase Briscoe

Is A Must Start for Nashville DFS Lineups
Chase Elliott

has Plenty of Upside for Nashville DFS Lineups
William Byron

Is William Byron A Playable DFS Option for Nashville Lineups?
Wan'Dale Robinson

Dynasty Value May Have Peaked in 2025
Carson Hocevar

Is Likely to have Another Solid Result at Nashville
Tyler Shough

Should Dynasty Managers Consider Selling High on Tyler Shough?
NASCAR

Should Fantasy Players Roster Bubba Wallace at Nashville?
Garrett Wilson

Dynasty Upside Remains High Despite Questionable Offensive Environment in New York
Chris Buescher

Is A Decent All-Around DFS Option for Nashville Lineups
Daniel Suarez

is Likely to Drop Positions during the Cracker Barrel 400
Kenneth Gainwell

Carries Dynasty Sell-High Appeal After Breakout 2025 Campaign
Garrett Crochet

Suffers Setback, Likely to Undergo MRI for Lat Tightness
Denny Hamlin

Could Denny Hamlin Dominate at Nashville?
Ryan Blaney

Is a DFS Tournament Option at Nashville
Ty Gibbs

Don't Overlook Ty Gibbs at Nashville
Joey Logano

Could Show Life at Nashville
Ross Chastain

Needs a Good Run at Nashville
Chet Holmgren

Fails to Step Up in the Season Finale
Cason Wallace

Ends Postseason with Strong Showing
Shai Gilgeous-Alexander

Caps MVP Season with Game 7 Exit
Stephon Castle

Continues Postseason Run with 16 Points
Julian Champagnie

Shines in Series-Clinching Win
De'Aaron Fox

Provides Secondary Punch in Game 7 Triumph
Victor Wembanyama

Earns Conference Finals MVP in Spurs' Game 7 Win
NBA

Warriors Prioritize Depth Around Returning Steve Kerr
Donovan Mitchell

Remains Cleveland's Top Priority
Adou Thiero

Remains a Lakers Development Project
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76ers Hire Mike Gansey as President of Basketball Operations
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Chicago Bulls Explore Kevin Young as Coaching Candidate
Kyrie Irving

Reports He's Nearing Full Strength in ACL Recovery
Lane Hutson

Posts a Power-Play Assist in Game 5 Loss
Cole Caufield

Nets a Power-Play Goal in Season-Ending Loss
Seth Jarvis

Closes Out East Finals With Multi-Point Game
Logan Stankoven

Notches Three Points in Big Game 5 Win
Taylor Hall

Racks Up Three Points in Series-Clinching Win
Frederik Andersen

Remains Stellar as Hurricanes Clinch Finals Berth
Jacob Gonzalez

is Heading to the Big Leagues
Munetaka Murakami

Exits with Hamstring Tightness
Mitchell Robinson

Plans to Play in Game 1 After Finger Surgery
Ajay Mitchell

Ruled Out for Game 7
Jalen Williams

Unavailable in Decisive Game 7
NBA

Magic Finalizing Hire of Sean Sweeney as Head Coach
Eury Pérez

Eury Perez is Placed on 15-Day Injured List
Deiveson Figueiredo

Set For UFC Macau Main Event
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Yadong Song Returns At UFC Macau
Alonzo Menifield

An Underdog At UFC Macau
Zhang Mingyang

Set For UFC Macau Co-Main Event
Tallison Teixeira

Looks To Win Back-To-Back Fights
Sergei Pavlovich

A Favorite At UFC Macau
Cameron Smotherman

Looks To Bounce Back
Kai Asakura

Looks To Get Back In The Win Column
CFB

Faizon Brandon In Position to Start Week 1
CFB

Dane Weber Commits to Cal
CFB

Joey McGuire Attempts to Add Texas to Schedule
CFB

Mike Leach on 2027 College Football Hall of Fame Ballot
CFB

Maryland, Baylor Schedule Home-and-Home
CFB

Taron Dickens Decommits From North Carolina
Jalen Williams

Limited in Game 6 Return
Jared McCain

Provides Bench Spark in Game 6 Loss
Shai Gilgeous-Alexander

Posts Lowest-Scoring Night of His MVP Season
De'Aaron Fox

Struggles From the Field Thursday
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MLB Proposes Hard Salary Cap as Part of Next CBA
Kenley Jansen

Tigers Place Kenley Jansen on Injured List With Pelvic Inflammation
Teoscar Hernández

Teoscar Hernandez Heading to Injured List With Hamstring Strain
MON

Lane Hutson Struggles in Game 4 Loss
CAR

Logan Stankoven Nets Eighth Postseason Goal
CAR

Sebastian Aho Pots Game-Winner on Power Play
CAR

Nikolaj Ehlers Tallies Two Helpers in Impressive Road Win
CAR

Shayne Gostisbehere Records Two Assists in Game 4 Win
CAR

Frederik Andersen Establishes Hurricanes New Postseason Shutout Record
Yordan Alvarez

Continues Homer Barrage With Two More Long Balls on Wednesday
Cristopher Sánchez

Cristopher Sanchez Makes History With Seven More Shutout Innings Against Padres
Teoscar Hernández

Teoscar Hernandez Lifted From Wednesday's Game Early With Hamstring Strain
Kenley Jansen

Exits Relief Appearance on Wednesday With Groin Injury
Eury Pérez

Eury Perez Pulled Early on Wednesday With Hamstring Issue
CFB

Drew Mestemaker a Top Big 12 Quarterback Right Away?
PGA

Sungjae Im Remains Boom-or-Bust at Colonial
PGA

Michael Thorbjornsen Trending in Wrong Direction Entering Colonial
Russell Henley

a Top Option at Colonial
Harry Hall

Hoping Putter Carries Him at Colonial
Rickie Fowler

Looks to Regain Momentum at Colonial
Pierceson Coody

Looking to Stay Hot at Colonial
Martin Necas

Collects an Assist in Game 4 Loss to Golden Knights
Gabriel Landeskog

Scores Only Avalanche Goal in Season-Ending Loss
Carter Hart

Finishes Series-Clincher With 20 Saves
Dylan Coghlan

Continues Unlikely Success Story
Cole Smith

Scores Series-Clincher Tuesday Night
Mark Stone

Nets Another Goal as Golden Knights Finish Off Avalanche
Ludvig Aberg

Looking to Exchange Momentum for a Victory in Fort Worth
Stephan Jaeger

Trending Upward as PGA Heads to Fort Worth
Max Homa

Comes Off Awful Putting Performance at PGA Championship
Tony Finau

Faces Different Test at the Colonial
Robert MacIntyre

Seeks Better Beginning in Fort Worth
Tom Hoge

Ups and Downs Could Continue at Colonial
Brian Harman

Not Having the Best Golf Season in 2026
Austin Eckroat

Struggling Too Often Heading to Charles Schwab Challenge
Zach Bauchou

Tries to Keep Momentum Rolling at Colonial
RANKINGS
C
1B
2B
3B
SS
OF
SP
RP

RANKINGS

QB
RB
WR
TE
K
DEF