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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!




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REAL-TIME FANTASY NEWS

Amon-Ra St. Brown

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Cameron Ward

Believed to Have Grade 3 AC Joint Sprain in Right Shoulder
Colston Loveland

Leads Bears in Targets, Receptions, Receiving Yards in Week 18
Santi Aldama

Available on Sunday Evening
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Downgraded on Sunday Night
Puka Nacua

Finishes the Regular Season as Top-Scoring Receiver
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Falcons Fire Raheem Morris and Terry Fontenot
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Wants to Re-Sign with Browns
Ray Davis

Runs Wild in Final Game of Regular Season
Matthew Stafford

Strengthens MVP Candidacy in Win Over Cardinals
Mitchell Trubisky

Comes Off Bench, Throws for Four Touchdowns
Rhamondre Stevenson

Explodes for Three Touchdowns in Huge Week 18
Giannis Antetokounmpo

Good to Go Against Sacramento
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Won't Play on Monday Night
Grayson Allen

Still Out on Sunday Night
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Colts to Bring Back Shane Steichen and Chris Ballard for 2026
Kansas City Royals

Matt Quatraro Signs Three-Year Extension With Royals
Tyrone Tracy Jr.

Catches Eight Passes in Dominant Outing Sunday
Logan Stanley

to Sit Out One Game With Suspension
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Chris Tanev Could Be Done for Rest of Regular Season
Sean Monahan

Expected to Return Tuesday
Alexander Wennberg

Lands Three-Year Extension
Alec Pierce

Makes Several Big Catches Before Ejection
John Beecher

Handed One-Game Suspension
Devon Toews

Unavailable Sunday
Seth Jones

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Josh Allen

Plays One Snap in Week 18
Myles Garrett

Breaks All-Time Single-Season Sack Record
Jaylen Waddle

Officially Sidelined for Season Finale
De'Von Achane

Officially Inactive Against Patriots in Week 18
Dalton Kincaid

Suiting Up Against Jets in Week 18
Kyren Williams

Suiting Up Against Cardinals on Sunday
Davante Adams

Won't Play Against Cardinals in Week 18
J.J. McCarthy

Questionable to Return in Week 18
Jamal Murray

Will Play on Sunday
Christian Braun

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Aaron Gordon

Will Play on Sunday
Ja Morant

Questionable Against the Lakers
Michael Porter Jr.

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Jalen Suggs

Ruled Out for Sunday, No Timetable for Return
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Ruled Out Against Cavaliers
Jarrett Allen

Ruled Out on Sunday Afternoon
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Transfer QB Billy Edwards Commits to North Carolina
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Sam Leavitt Visiting Texas Tech on Saturday
Jamal Murray

Expected to Play Against Nets
Giannis Antetokounmpo

Listed as Probable for Sunday
Tobias Harris

Out at Least Two Weeks with Hip Sprain
Jalen Duren

to Miss at Least One Week with Ankle Injury
Vince Williams Jr.

Misses Eighth Straight Game
Maxime Raynaud

Cleared to Play Sunday After Knee Scare
Isaiah Hartenstein

Remains Out Versus Suns
Nathan MacKinnon

Takes Over Scoring Lead With Four-Point Effort
Herbert Jones

Misses Seventh Straight Game
Nikita Kucherov

Bags Five Points Against Sharks
Darren Raddysh

Celebrates Hat Trick in Big Win
Jordan Binnington

Logs First Shutout of Season
Auston Matthews

Becomes Maple Leafs' All-Time Goals Leader
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Exits Loss Early
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Escapes Serious Injury
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Misses Road Trip
Gavin Brindley

Out Saturday
Casey DeSmith

Granted Leave of Absence
Tanner Jeannot

Remains Absent Saturday
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Misses Fourth Straight Game
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DJ Lagway Expected To Visit Florida State
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Blue Jays "Remain the Favorite" to Sign Kyle Tucker
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Joey Aguilar Undergoes Surgery to Remove Tumor on Friday
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Texas the "Team to Beat" for Transfer Running Back Isaac Brown
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Rocco Becht to Follow Matt Campbell to Penn State?
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Texas Targeting Cam Coleman in Transfer Portal
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Former Texas Running Back CJ Baxter Visiting Kentucky
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Beau Pribula Visiting Virginia Tech, Georgia Tech
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Astros Sign Tatsuya Imai to Three-Year Deal
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Lane Kiffin Interested in Sam Leavitt, Brendan Sorsby at LSU
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Deuce Knight Officially Entering Transfer Portal
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Kewan Lacy Expected to Be Full-Go Against Georgia
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Chip Kelly Named Northwestern Offensive Coordinator

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