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Rookie Report: Prospect Risers and Fallers for Week 12

fantasy baseball prospects MLB prospects rookies call-ups

Fantasy baseball prospects recently called up, and their rest of season projections. Phil Goyette evaluates rising and falling fantasy baseball rookies for Week 12.

Welcome to the latest edition of RotoBaller’s Recently Promoted Prospects series for fantasy baseball! Here I discuss some recently promoted MLB prospects and rookies , making note of what I think their upside could be for fantasy baseball managers, and whether they are potential risers or fallers.

We have seen 125 rookies make their MLB debut in 2021. This week I'll look at three rookie pitchers that might work their way into fantasy relevance in 2021. I will use video looks, scouting reports, analytics, and RotoBaller’s premium projections to predict what each recently called-up player could do if given a continued opportunity in 2021.

Here are your recently promoted prospects for Week 12 of the fantasy baseball season.

Be sure to check all of our fantasy baseball lineup tools and resources:

 

Matt Manning, Detroit Tigers

17% Rostered on Yahoo

Situation: By calling up Matt Manning to make his major league debut this week, the Detroit Tigers now have three promising young hurlers in the rotation. With Matthew Boyd, Julio Teheran, and Spencer Turnbull on the IL, the Tigers are looking to the future giving Casey Mize, Tarik Skubal, and Matt Manning turns at the top of the rotation.

Skill: Manning is an athletic righty who gets excellent extension (7.0 feet) on his delivery, allowing his four-seam fastball to play a couple of ticks faster than it's 94 mph average velocity. He mixes in a slider, changeup, and curveball as secondary offerings, but none of them stand out as a MLB out-pitch at the moment. He figures to be fastball heavy early on, but it is a pitch that Manning can rely on if he's able to hit his spots with it.

Projection: Manning has been a highly touted prospect for some time now, so I think he projects to be a future bona-fide fantasy SP2 or 3 in the future. For redraft in 2021, I think it will take some time for Manning to get his legs under him. The good news is that, unlike some other rookie hurlers that we've seen debut in 2021, Manning's fastball should allow him to avoid getting barreled to death while he works on establishing his secondaries. I'll take the under on Steamer's 4.73 ERA projection, maybe even by a half run. Figure 75 innings of 4.25 ERA and a WHIP around 1.30 for 2021.

 

Kyle Muller, Atlanta Braves

0% Rostered on Yahoo

Situation: With the Braves in need of pitching depth this week, Kyle Muller was briefly brought up to make his MLB debut before getting shuttled back down to Triple-A. He pitched 1-inning of relief in his debut. He's likely going to be brought back up to make his first start in one of the Braves' doubleheader games this Monday.

Skill: While he got his first MLB look out of the bullpen, Muller is a lefty with the potential to contribute in the Braves rotation in the near future. He was a second-round choice out of the Texas prep ranks in 2016. Muller has posted strong strikeout rates during his minor league career, but has struggled with his control since 2018. If he can harness the control, he has the stuff to work as a MLB starter. His fastball comes in two varieties (four-seam and sinker) and he sits comfortably around 95 mph with the heater. He backs the fastballs up with a hard slider that could be a pitch he features more than the heater at times. It has good horizontal run and should generate a fair share of whiffs. Then he mixes in a slower curveball that still features some two plane break that can generate whiffs as well.

Projection: If Muller gets the nod as the 5th rotation option for Atlanta, he's definitely worth an add in deeper formats and he's a streamer play in shallow ones. Muller's stuff is good enough that it should generate strikeouts at the MLB level. There's still work to be done in the command and control department, so expect some bumps mixed in with the occasional gem from this young lefty.

 

Tony Santillan, Cincinnati Reds

10% Rostered on Yahoo

Situation: With Sonny Gray and Tejay Antone going down with injury over the last two weeks, the Reds have turned to Tony Santillan to plug the hole in their starting rotation. Santiallan, 24, was the Reds' 2nd round choice in the 2015 draft.

Skill: Santillan has been a steady starting pitcher in the Reds' organization throughout his minor league career. He's really a two-pitch pitcher, relying on a four-seam fastball that touches 95 mph and a tight harder curveball that runs about 10 mph under the fastball. He mixes in a changeup at times but hasn't shown a great feel for the pitch yet this season. The fastball should have enough rise and carry to play up in the zone and generate some whiffs.

Projection: Publicly available projection systems have Santillan around a 5.00 ERA for the remainder of the 2021 season. I tend to share their pessimism, as it's hard for me to see him getting by against MLB hitting on two pitches that are likely above-average at best. In the event that his changeup can come along, there's maybe more hope for Santillan as a streamer in nice matchups moving forward this season.



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REAL-TIME FANTASY NEWS

Jarrett Allen

Questionable for Friday
Simon Holmstrom

Ready for Action Thursday
Lars Eller

Available Thursday
Domantas Sabonis

Will Miss at Least 3-4 Weeks
Ridly Greig

Out Against Ducks
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Nikola Jovic Out Against Bulls on Friday
Jake Neighbours

Back for Blues Thursday
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Nicholas Paul Available Thursday
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Set to Suit Up Thursday
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Out for "Couple of Weeks"
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Set to Return Thursday
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Added to the Injury Report as Questionable for Thursday
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Unavailable For Friday's Matchup With Chicago
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Garrison Mathews Will Join the Pacers
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Logs Second Straight Full Practice on Thursday
Dante Exum

Will Miss the Rest of the Season
Keegan Murray

Is Available For His Season Debut Thursday
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Listed as Probable for Thursday
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Will Not Play Thursday Against Memphis
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Listed as Out for Thursday
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Seen at Practice on Thursday
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Moving Around Well on Thursday
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Will be on a Snap Count When he Returns
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Returns to Thursday's Practice
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to Do Individual Drills on Thursday
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Not Expected to Play This Season
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Attending Thursday's Practice
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Continues Practice Attendance
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Bags Three Points Wednesday Night
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Nets Two Power-Play Goals Wednesday
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Bengals Haven't Ruled Out Joe Burrow for Week 12
Connor McMichael

Posts Three Assists in Wednesday's Win
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Islanders Place Alexander Romanov on Injured Reserve
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to Miss Thursday's Action
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Out on Thursday
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Inks Extension With Jets
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Likely Out on Thursday
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Questionable for Thursday
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Remains Out Against Magic
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Ruled Out for Two Weeks
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Targeting Return on Monday
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Limited in Practice on Wednesday
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Available Wednesday Night
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Returning to the Braves on One-Year Deal
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Absent Due to Ankle Injury
Conor Garland

to Return on Thursday
Thomas Harley

to Miss Road Trip
Eetu Luostarinen

Out Week-to-Week After Barbecue Accident
Curtis Lazar

to Miss at Least Three Games
Vladimir Tarasenko

Misses Third Consecutive Game
Mikael Granlund

Remains Out Wednesday
Charlie McAvoy

Out Indefinitely After Facial Surgery
Joe Burrow

to Potentially Return in Week 12?
Aaron Rodgers

Out on Wednesday, Hopes to Practice Thursday
Jaylen Warren

Not Seen at Wednesday's Practice
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Lands on Injury Report Ahead of Week 12 With Hip Injury
Rhamondre Stevenson

Targeting a Return in Week 12?
Isiah Pacheco

Returning to Practice on Wednesday
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Jaguars "Optimistic" About Brian Thomas Jr.'s Week 12 Status
Sahith Theegala

Looking to Continue Fall Run at RSM Classic
Stephan Jaeger

Looking to Bounce Back at RSM Classic
Tom Hoge

Looking to Regain Form at RSM Classic
Joe Highsmith

Searching for Turnaround at RSM Classic
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Looking to Build on T11 Finish in Bermuda
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Searching for Momentum at RSM Classic
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Trying to Find Form at the RSM Classic
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Garrett Nussmeier Doubtful to Play Against Western Kentucky
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Hopes to End 2025 Campaign With Another Solid Finish
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The Time is Now for Quade Cummins in Georgia
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on the PGA Tour Card Bubble
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Shipped to Angels
Taylor Ward

Orioles Acquire Taylor Ward From Angels
Shota Imanaga

Accepts Cubs Qualifying Offer
Brandon Woodruff

Returning to Milwaukee in 2026
Denny McCarthy

Looking For Another Solid Finish at RSM Classic
Si Woo Kim

Looking To Use Current Momentum to Flip Script at RSM Classic
Mackenzie Hughes

a Good Bounce-Back Candidate at RSM Classic
Harris English

Making 14th Start at This Week's RSM Classic
Konnor Griffin

Could Compete for Starting Shortstop Job in 2026
Gleyber Torres

Accepts Tigers Qualifying Offer
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Sam Leavitt Set to Enter Transfer Portal?
Jose Altuve

Undergoes Foot Surgery
Alex Bregman

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James Franklin to be Virginia Tech's Next Head Coach
CFB

Fernando Mendoza the Clear Heisman Trophy Favorite?
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Beau Pribula Has Chance to Face Oklahoma on Saturday
Jack Della Maddalena

Gets Dominated
Islam Makhachev

Claims UFC Welterweight Belt
Zhang Weili

Gets Outclassed
Valentina Shevchenko

Wins Unanimous Decision At UFC 322
Sean Brady

Suffers First-Round TKO Loss
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Remains Unbeaten
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Carlos Prates Becomes The First Man To Knock Out Leon Edwards
Beneil Dariush

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Jeremiah Smith, Carnell Tate Not Dealing With Long-Term Injuries
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Virginia Tech Close To Naming James Franklin As Head Coach
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Jacob deGrom

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Ronald Acuna Jr. Wins NL Comeback Player of the Year Award
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Named AL Reliever of the Year
Edwin Díaz

Edwin Diaz Named NL Reliever of the Year

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