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Breakout or Bust? The Fantasy Impact of Second-Year Prospects

rotoballer fantasy baseball advice belt

Read this original RotoBaller.com article for a strategy overview about second-year MLB prospects, breakout or bust ratings, and fantasy baseball advice on what to expect from these sophomore players.

Brandon Belt 2011Brandon Belt

Just about two years ago, Brandon Belt was a hot topic among fantasy enthusiasts, and with good reason. The young Giants first baseman had just blown through three levels of the minors in 2010, finishing with a combined .352 BA, 24 HR and 112 RBI. In 2011, he picked up right where he left off hitting .309 with 8 HR and 32 RBI in just 165 AB before getting called up to the majors. In 187 big league AB, Belt did show some power (9 HR), but overall he struggled, batting only .225 and striking out at an alarmingly high rate (57). 2012 was an even more puzzling year for Belt. In 411 AB in SF, he raised his average (.275) and walks (54) while lowering his strikeout rate (106). The question is: did he make these adjustments at the cost of all his punch (7 HR)? When looking at all of these numbers as a whole, I get the feeling that Belt felt that striking out too often was a quick way for him to head back to AAA, and so he toned his swing down a bit.

The key to Belt’s success in 2013 is regular playing time. He is pretty much the same player against both RHP and LHP, and a full-time starting job should give him the confidence to finally let it fly and be the slugger that he can be. If the Giants commit to Belt as their everyday first baseman, I see him taking a larger step forward and delivering numbers closer to what we saw from him in the minors.

UPSIDE: .280, 22 HR, 85 RBI

ROTOBALLER.COM BREAKOUT RATING: 7/10 - Solid though not overwhelming chance that he reaches this upside.

Starling Marte

When Starling Marte got his shot with Pittsburgh in 2012 he responded by hitting .257 with 5 HR, 17 RBI and 12 SB in 167 AB. Many considered these numbers to be a disappointment considering the hype around the rookie. After looking closely at his minor league numbers, I would disagree with that assessment. Marte was hitting .282 with 12 HR and 22 SB in 393 AB at the time of his call up. Solid numbers for sure, but by no means earth-shattering. In fact, in his entire minor league career, he has never held a .400 OBP. The point here is that this a free-swinging speedy player, and his major league stats basically mirror what he did in the minors. It's important to remember that not every rookie takes the league by storm a la Mike Trout or Stephen Strasburg. Marte’s 2012 was not a disappointment, but a normal year in the maturing process of a young player. The best thing about Marte is that speed doesn’t go into slumps, so even if he struggles with batting average and power numbers, he should still be able to steal 30 bases easily with regular playing time. I look for him to take a step forward this year.

UPSIDE: .275, 10 HR, 55 RBI, 85 R, 34 SB

ROTOBALLER.COM BREAKOUT RATING: 6/10 - Decent chance he reaches this upside.

Brett Jackson
Back in 2009, if Cubs officials were asked what their major league outfield would look like in three years, it definitely would have included Brett Jackson. Jackson cruised through the lower levels of the minors, showing off a high average with both power and speed. He never hit below .295 while consistently posting an OBP around .400. He seemed to be on the fast track to be a major league star.

Unfortunately, things went downhill from there. In two seasons at AA, Jackson only hit a combined .266 while striking out a whopping 137 times in 474 AB. While he still managed to show some speed and power, his home runs at stolen bases were halved compared to his A-level performance. Nevertheless, the Cubs pushed on with Jackson, sending him to AAA in mid-2011, with very similar results. In just under 600 AB at the AAA level, Jackson has hit only .269 with 14 HR and 33 SB. Those numbers wouldn't be so terrible if they didn’t include an amazing 222 K. In Jackson’s brief appearance at the major league level in 2012 he showed more of the same, hitting a meager .175 and striking out 59 times in 120 AB.

Jackson is clearly overmatched by advanced pitching and I don’t see anything changing without a complete overhaul of his swing and approach. I don’t see him as much more than a career minor leaguer or possible pinch runner/defensive replacement as things stand now.

ROTOBALLER.COM BREKAOUT RATING: 1/10 - Almost no chance Jackson breaks out in the MLB this year.

------

Read RotoBaller.com's prospect raankings series for deeper analysis of some even younger guys who could contribute in 2013. Part I, Part II and Part III should give you all the information you need for your non-keeper league draft endgame.

REAL-TIME FANTASY NEWS

Larry Nance Jr.

is Questionable for Game 1 on Tuesday
OG Anunoby

is Probable for Tuesday's Game 1
Luke Kornet

is Cleared for Game 1
New Orleans Pelicans

Jamahl Mosley Agrees to Become Pelicans Next Head Coach
De'Aaron Fox

is Ruled Out for Game 1 on Monday
Ukko-Pekka Luukkonen

Set to Start Game 7
Corey Seager

Going on Injured List With Back Injury
Tage Thompson

Can Match Franchise Record With Another Multi-Point Game
Nick Suzuki

Seeks More Road Success Monday
Lane Hutson

Riding a Five-Game Assist Streak Into Game 7
Filip Gustavsson

Needs Offseason Surgery
Jeremy Peña

Jeremy Pena Reinstated and Starting on Monday Against Twins
Cam Skattebo

Dynasty Stock Rising Following NFL Draft
Kaleb Johnson

Logging First-Team Reps in OTAs
Evan Engram

Dynasty Value Fading After Production Decline in 2025
TreVeyon Henderson

Dynasty Outlook Clouded By Split Backfield in New England
Caleb Williams

' Dynasty Upside Remains Sky-High Entering 2026
Bijan Robinson

Is Bijan Robinson the No. 1 Overall Player in Dynasty Formats?
Woody Marks

Should Have Plenty of Opportunities to Catch Passes
Drew Allar

Working as QB4 in First OTA Session
Aaron Rodgers

Reports to Steelers Facilities on Monday
Alvin Kamara

Saints Remain Non-Committal on Alvin Kamara's Future
Chris Olave

Saints Continue to Work on Extension With Chris Olave
Parker Washington

a Sneaky Trade Target in Dynasty Leagues?
Melquizael Costa

Drops Decision At UFC Vegas 117
Jarquez Hunter

Can Jarquez Hunter's Dynasty Outlook Improve in Year 2?
Arnold Allen

Bounces Back
James Conner

Off the Dynasty Radar Entirely?
Elijah Arroyo

Will Elijah Arroyo Continue to Have Trouble Getting on the Field?
Daniel Santos

Suffers Second-Round TKO Loss
Tre Tucker

Not a Long-Term Solution in Dynasty Leagues
MMA

Dohoo Choi Wins His Third Consecutive Fight
Malcolm Wellmaker

Suffers His Second Loss In A Row
Juan Diaz

Scores Second-Round Submission
Christian Edwards

Defeated At UFC Vegas 117
CFB

Transfer Running Back Arnold Barnes Visiting Iowa State on Monday
Modestas Bukauskas

Gets Split-Decision Win
Jack Bech

a Dynasty Hold as New-Look Raiders Offense Takes Shape
Jaydon Blue

a Low-Value Dynasty Stash Until Depth Charts are Settled
Makai Lemon

a Top-Five Pick in Dynasty Rookie Drafts
George Kittle

a Dynasty Buy with League-Winning Potential
Jhostynxon Garcia

Expected to Join the Pirates on Tuesday
Chris Rodriguez Jr.

a Dynasty Sleeper with High Touchdown Potential
Tobias Harris

Goes Cold in Game 7 Loss
Quinn Hughes

Open to Signing Extension This Offseason
Jalen Duren

Finishes Game 7 with Quiet Line
Cade Cunningham

Endures Cold Shooting Night Sunday
Joel Eriksson Ek

Misses Second Round Due to Heel Injury
Sam Merrill

Catches Fire in Game 7 Win
Evan Mobley

Posts Versatile Double-Double in Game 7
Jonas Brodin

Sits Out Round 2 Due to Toe Injury
Donovan Mitchell

Guides Cavaliers Into East Finals
Sam Malinski

Practices Fully Sunday
Jarrett Allen

Scores 23 Points in Cavs' Game 7 Rout of Pistons
Josh Manson

Rejoins Practice
Kevin Huerter

Active on Sunday Night
Caris LeVert

Duncan Robinson, Caris LeVert Available Sunday
Dean Wade

Max Strus Replaces Dean Wade in Starting Lineup Sunday
Luke Kornet

Iffy for Monday
Larry Nance Jr.

Won't Play Sunday
De'Aaron Fox

Listed as Questionable for Monday's Action
Jalen Williams

Officially Available for Game 1 Against Spurs
Shai Gilgeous-Alexander

Named MVP for Second Straight Year
Colt Emerson

Mariners Promoting Top Prospect Colt Emerson to Major Leagues
Bones Hyland

Wants to Stay in Minnesota
Munetaka Murakami

Fantastic First Season Continues With Two More Homers
Cristopher Sánchez

Cristopher Sanchez Dazzles With 13-Strikeout Complete Game on Saturday
Blake Snell

to Undergo Elbow Surgery on Tuesday
Clay Holmes

Could Miss Around Three Months
Jose Altuve

Exits After Swing
Corey Seager

Absent With Back Spasms on Saturday
Jeremy Lauzon

Misses Saturday's Practice
Mark Stone

Doesn't Practice Saturday
Josh Manson

Misses Practice, Considered Day-to-Day
Brent Burns

Day-to-Day Ahead of Conference Finals
Cale Makar

Considered Day-to-Day
Alex Lyon

Likely to Start Game 6 Against Canadiens
Owen Power

Available Saturday
Trevor Story

Hits the Injured List With Groin Injury
Blake Snell

Likely to Need Elbow Surgery
Kyle Schwarber

on a Heater, Hits Two More Homers to Take Major-League Lead
Clay Holmes

Suffers Fractured Fibula on Friday Night
Blake Snell

Heads to 15-Day Injured List
Blake Snell

Scratched From Start on Friday for Undisclosed Reasons
Max Fried

Heading to Injured List With Elbow Bone Bruise
CFB

Julian Sayin Looking To Build Off Of Strong Debut Season
CFB

College GameDay Set for First Three Weeks
CFB

Jeremiah Smith Aiming For Ohio State Receiving Records
CFB

Keshaun Singleton Projects as Auburn's WR1
CFB

Jeremiah Cobb Impresses New Auburn Staff
CFB

Alberto Mendoza Very Likely to Start for Georgia Tech
CFB

Charles Woodson Jr. Commits to Michigan
Jordan Westburg

to Have Season-Ending Elbow Surgery
Melquizael Costa

Set For UFC Vegas 117 Main Event
Arnold Allen

A Favorite At UFC Vegas 117
Daniel Santos

Set For UFC Vegas 117 Co-Main Event
MMA

Dohoo Choi Returns At UFC Vegas 117
Juan Diaz

Set To Make His UFC Debut
Malcolm Wellmaker

Looks To Bounce Back
Christian Edwards

Set For His UFC Debut
Modestas Bukauskas

Looks To Get Back In The Win Column
Tarik Skubal

Resumes Playing Catch, Ahead of Schedule?
Lane Hutson

Contributes Two Assists in Game 5 Victory
Nick Suzuki

Amasses Three Points in Crucial Victory Thursday
Juraj Slafkovsky

Dishes Out Three Assists in Game 5 Win
Carter Hart

Stops 31 Pucks in Series-Clinching Win
CFB

Virginia Tech Lands Commitment from Four-Star QB Peter Bourque
Byron Buxton

Scratched on Thursday With Hip Soreness
Cal Raleigh

Heading to Injured List With Oblique Strain
CFB

NFL Veteran Tom Moore Joins Iowa Coaching Staff
CFB

Can Cam Cook Dominate in Return to Big 12?
CFB

ACC, Big 12 Support 24-Team College Football Playoff
CFB

Anthony Colandrea Looking to Elevate Nebraska Back to National Contention
CFB

Kwazi Gilmer Set for Big Impact at Nebraska
Justin Thomas

Trending Well Ahead of PGA Championship Despite Concerning Form
J.J. Spaun

Trending Up Ahead of PGA Championship
Adam Scott

Riding Strong Form Into PGA Championship
Patrick Reed

Looking to Make Another Run at PGA Championship
PGA

Sungjae Im Looks to Build on Strong Finish at Truist Championship
Sam Burns

Must Keep Ball in Play at PGA Championship
Jordan Spieth

Looks to Complete Career Grand Slam at Aronimink
Brandt Snedeker

Not the Best Option for the PGA Championship
Rasmus Hojgaard

a Volatile Option at PGA Championship
Maverick McNealy

Seeking Better Start in Philadelphia
Harry Hall

a Boom-or-Bust Option at Aronimink
Hideki Matsuyama

Attempts to Improve Over 2025 PGA Championship
Scottie Scheffler

Looks to Defend PGA Championship at Aronimink
Nicolai Hojgaard

Wants to Keep Momentum Rolling in Philadelphia
Ben Griffin

Attempting to Bounce Back After Truist Championship
CFB

Transfer Defensive Lineman Devarrick Woods Commits to Clemson
Harris English

Will Need His Putter to Thrive at Aronimink
Akshay Bhatia

Creative Flair Could Show Itself in Philadelphia
Keegan Bradley

Knows the Aronimink Golf Club Well
Si Woo Kim

Struggles at Truist Championship
Gary Woodland

Can Continue Incredible 2026 Season at PGA Championship
Xander Schauffele

In Excellent Form Heading to PGA Championship
RANKINGS
C
1B
2B
3B
SS
OF
SP
RP

RANKINGS

QB
RB
WR
TE
K
DEF