2021 Fantasy Baseball Prospects: Top 100 MLB Rookies & Minor Leaguers For This Season

Fantasy baseball prospects can play a significant role on your team, so it’s essential to stay informed on which top 2021 MLB rookies can make an immediate impact ahead of your 2021 fantasy baseball draft. In this article, we’ll take a look at the Top 100 2021 Fantasy Baseball Prospects, based on rankings of how these upcoming top 100 rookies and full-timers can help fantasy baseball players just for the 2021 MLB season.

Hint: You won’t find 18-year-old New York Yankees phenom Jasson Dominguez on here.

These fantasy baseball prospect rankings also include players who have some MLB experience but are still considered rookies; they have not yet reached service-time thresholds that eliminate top 2021 rookie eligibility. The list prioritizes players who have a good chance at playing on MLB Opening Day, but those with high upside are also bumped in these fantasy baseball prospect rankings.

With that in mind, let’s dive in to find out which fantasy baseball prospects you should attack in your drafts or monitor on the waiver wire for the 2021 fantasy baseball season.

2021 Fantasy Baseball Prospects: Top 100 MLB Rookies For This Season

1. Randy Arozarena, OF, Tampa Bay Rays
2. Ian Anderson, SP, Atlanta Braves
3. Sixto Sanchez, SP, Miami Marlins
4. Triston McKenzie, SP, Cleveland Indians
5. Ke’Bryan Hayes, 3B, Pittsburgh Pirates
6. Dylan Carlson, OF, St. Louis Cardinals
7. Ryan Mountcastle, 1B/OF, Baltimore Orioles
8. Leody Taveras, OF, Texas Rangers
9. Nick Madrigal, 2B, Chicago White Sox
10. James Karinchak, RP, Cleveland Indians

Randy Arozarena combines high power upside (17 home runs in 166 plate appearances last year) with the ability to chip in with double-digit stolen bases. Ian Anderson posted an impressive 1.95 ERA, 1.05 WHIP, and 19.6 K-BB% in 32.1 innings before dominating in the playoffs. Sixto Sanchez has an electric four-seamer that averages 98.5 MPH. Triston McKenzie posted an impressive 33.1 K% in 33.1 innings last season. Ke’Bryan Hayes showed surprising power in his big league stint, slashing .376/.442/.682 with five home runs in 95 plate appearances.

Dylan Carlson struggled last year, but he has an intriguing power-speed profile in an improved Cardinals lineup. Ryan Mountcastle has 30-plus-homer upside playing in the bandbox that is Camden Yards. Leody Taveras showed off his speed last year, totaling eight stolen bases in 134 plate appearances. Nick Madrigal also has stolen base upside combined with a strong contact profile, batting in an exciting White Sox lineup. James Karinchak dominated out of the bullpen last season, posting an absurd 48.6 K% in 27 innings.


11. Jarred Kelenic, OF, Seattle Mariners
12. Ha-Seong Kim, SS, San Diego Padres
13. Alex Kirilloff, OF, Minnesota Twins
14. Nate Pearson, SP, Toronto Blue Jays
15. Wander Franco, SS, Tampa Bay Rays
16. MacKenzie Gore, SP, San Diego Padres
17. Alejandro Kirk, C, Toronto Blue Jays
18. Deivi Garcia, SP, New York Yankees
19. Bobby Dalbec, 1B, Boston Red Sox
20. Daulton Varsho, C/OF, Arizona Diamondbacks

Jarred Kelenic has a sweet swing with an appealing power and speed profile. Ha-Seong Kim comes over from the KBO as an MLB-ready bat who should force his way into a stacked Padres lineup. Alex Kirilloff is another high-upside outfielder with the ability to hit for power and steal bases.

Nate Pearson has a fastball that touches 100 MPH and a clear pathway to playing time in a thin Blue Jays’ starting rotation. Wander Franco is the consensus top prospect in baseball – it’s unclear when he’ll be up, but he’s too good to keep down in the minors for long.

Consensus top MLB prospect Wander Franco is a little less of a sure thing to be up for the entire 2021 MLB season, which sees him lower down the 2021 Fantasy Baseball Prospects & Top 2021 Rookies list than expected. (USA TODAY Sports)

Consensus top MLB prospect Wander Franco is a little less of a sure thing to be up for the entire 2021 MLB season, which sees him lower down the 2021 Fantasy Baseball Prospects & Top 2021 MLB Rookies list than expected. (USA TODAY Sports)

MacKenzie Gore is the top pitching prospect in MLB; the Padres rotation is stacked, but Blake Snell and Dinelson Lamet carry plenty of injury concerns.

Alejandro Kirk has the ability to become one of the top-hitting catchers in baseball, forcing the Blue Jays to even use him as DH at times. Deivi Garcia posted an impressive 18.5 K-BB% in 34.1 innings in his brief stint last season – the Yankees rotation is crowded but has injury-prone pitchers like Luis Severino (slated to return this summer after 2020 Tommy John surgery), Corey Kluber and Jameson Taillon. Bobby Dalbec is penciled in as the everyday Red Sox first baseman; he hit eight home runs in only 92 plate appearances last season. Daulton Varsho has catcher eligibility but will play in the outfield. Add in his double-digit stolen base upside and you have an enticing prospect, but there’s a logjam at outfield in Arizona.


21. Dane Dunning, SP, Texas Rangers
22. Michael Kopech, SP, Chicago White Sox
23. Tarik Skubal, SP, Detroit Tigers
24. Andrew Vaughn, 1B, Chicago White Sox
25. Jo Adell, OF, Los Angeles Angels
26. Adbert Alzolay, SP, Chicago Cubs
27. Casey Mize, SP, Detroit Tigers
28. Spencer Howard, SP, Philadelphia Phillies
29. Ryan Jeffers, C, Minnesota Twins
30. Devin Williams, RP, Milwaukee Brewers

Dane Dunning makes up for limited upside with high volume – he projects to be in the Rangers’ starting rotation on Opening Day. Michael Kopech has electric stuff, but he hasn’t pitched in the big leagues since 2018, which raises questions about his floor. Tarik Skubal posted a 19.4 K-BB% in 32 innings and projects to be in the Tigers’ starting rotation on Opening Day. Andrew Vaughn has a strong contact + power profile with the chance to hit in one of the best lineups in baseball, he just needs to earn a role. Jo Adell has plate discipline issues but five tools to work with, which means we can’t quit him due to the upside. Adbert Alzolay has control issues (14.9 BB% in 2020) but showcased some strikeout upside (33.3 K%) in 21.1 innings last season.

Casey Mize struggled in a brief stint last season, but he remains a Top-15 prospect in MLB, so the upside is there for a breakout season among the top 2021 MLB rookies. Spencer Howard had troubles with the longball last year (2.22 HR/9), but he has an impressive arsenal and is considered the Phillies’ top prospect on a team with a thin rotation. Ryan Jeffers projects as the Twins starting catcher, so the volume is there for some production, especially in deeper leagues. Devin Williams put up 53.0 K% in 27 innings last season – he’s next in life for saves in Milwaukee.


31. Jordan Romano, RP, Toronto Blue Jays
32. Cristian Pache, OF, Atlanta Braves
33. David Peterson, SP, New York Mets
34. A.J. Puk, SP, Oakland Athletics
35. Jazz Chisholm, 2B/SS, Miami Marlins
36. Luis Patiño, SP, Tampa Bay Rays
37. Adley Rutschman, C, Baltimore Orioles
38. Spencer Torkelson, 3B, Detroit Tigers
39. Julio Rodriguez, OF, Seattle Mariners
40. Tanner Houck, SP, Boston Red Sox

Jordan Romano impressed last year, putting up a 1.23 ERA in 14.2 innings; he has closing experience and looks like he’s next in line behind Kirby Yates for saves in 2021. Cristian Pache projects to be the Braves’ starting centerfielder; he has an intriguing combination of power and speed, hitting in a strong lineup. David Peterson put up solid ratios in 49.2 innings last season; he still qualifies among the top 2021 MLB rookies and projects as the Mets’ fifth starter. A.J. Puk has major injury concerns, but the upside is there; he just needs to stay healthy and win a job in the A’s rotation. Jazz Chisholm hit 18 home runs and stole 13 bases in Triple-A back in 2019; the Marlins traded Zac Gallen for him, so they clearly have plans for their young shortstop. Luis Patiño was the main return in the Blake Snell trade and is considered to be one of the best pitching prospects in baseball.

Adley Rutschmann is a switch-hitting catcher with plus power and widely considered baseball’s No. 2 overall, long-term prospect, behind the Rays’ Wander Franco. Spencer Torkelson could remain in the minors this season, but if he gets called up, look out: He’s an exceptional hitter with the ability to hit for contact and power. Julio Rodriguez is similar to Torkelson: He might not be up this year, but he has a ton of power with immense upside. Tanner Houck struggled with control (14.3 BB% in 2020) but posted an impressive 33.3 K% in 17 innings last season.

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41. Joey Bart, C, San Francisco Giants
42. Tyler Stephenson, C, Cincinnati Reds
43. Josh Fleming, SP, Tampa Bay Rays
44. Sam Huff, C, Texas Rangers
45. Brendan Rodgers, 2B, Colorado Rockies
46. Logan Gilbert, SP, Seattle Mariners
47. Adrian Morejon, SP, San Diego Padres
48. Matt Manning, SP, Detroit Tigers
49. Garrett Crochet, SP, Chicago White Sox
50. Clarke Schmidt, SP, New York Yankees

Bart has a plus bat at catcher, but he’ll have to fight for at-bats with veteran Buster Posey. Tyler Stephenson is another catcher who made MLB’s Top 100 Prospects and has a chance to become one of the top 2021 MLB rookies. He has less upside but a better chance at playing time than Bart. Josh Fleming showcased impressive command (5.4 BB%) in 32 1/3 innings last season. Sam Huff has massive power for a catcher, but he needs to earn a starting role with the big club. Brendan Rodgers has had a slow start to his career due to inconsistent playing time, but he finally has a full-time role. Logan Gilbert posted a 2.13 ERA and 31.7 K% in his minor-league career. He has a chance to find a spot in a thin Mariners rotation.

Adrian Morejon would rank higher on the 2021 Fantasy Baseball Prospects Top 100 list if not for the Padres' stacked rotation. However, if an injury occurs, he could make a lot of noise in fantasy baseball leagues. (USA TODAY Sports)

Adrian Morejon would rank higher on the 2021 Fantasy Baseball Prospects Top 100 list if not for the Padres’ stacked rotation. However, if an injury occurs, he could make a lot of noise in fantasy baseball leagues and become one of the top 2021 MLB rookies. (USA TODAY Sports)

Adrian Morejon was pushed out of the Padres’ rotation due to the acquisitions of Blake Snell and Yu Darvish, but the 21-year old put up an impressive 26.6 K-BB% in 19 1/3 innings last season. Matt Manning has the better stuff than fellow prospect teammates Casey Mize and Tarik Skubal; we just haven’t seen how it looks at the big-league level. Garrett Crochet has a fastball that touches 100 MPH – he will start in the bullpen but could ascend to the rotation. Clark Schmidt is MLB-ready and boasts a wipeout slider.


51. Jeter Downs, SS, Boston Red Sox
52. Dean Kremer, SP, Baltimore Orioles
53. Kohei Arihara, SP, Texas Rangers
54. Forrest Whitley, SP, Houston Astros
55. Keegan Akin, SP, Baltimore Orioles
56. Vidal Brujan, 2B, Tampa Bay Rays
57. Edward Cabrera, SP, Miami Marlins
58. Brandon Marsh, OF, Los Angeles Angels
59. Nolan Jones, 3B, Cleveland Indians
60. Brendan McKay, SP, Tampa Bay Rays
61. Trevor Rogers, SP, Miami Marlins
62. Corbin Martin, SP, Arizona Diamondbacks
63. Drew Waters, OF, Atlanta Braves
64. Jose Garcia, SS, Cincinnati Reds
65. Daniel Lynch, SP, Kansas City Royals
66. Shane McClanahan, SP, Tampa Bay Rays
67. Royce Lewis, SS, Minnesota Twins
68. Anthony Alford, OF, Pittsburgh Pirates
69. Josh Jung, 3B, Texas Rangers
70. Keibert Ruiz, C, Los Angeles Dodgers
71. Josiah Gray, SP, Los Angeles Dodgers
72. Daniel Johnson, OF, Cleveland Indians
73. Khalil Lee, OF, New York Mets
74. Trevor Larnach, OF, Minnesota Twins
75. Brailyn Marquez, SP, Chicago Cubs

Jeter Downs is Boston’s best prospect and could find a role later in the season; he has an intriguing power-speed profile. Forrest Whitley is the former top pitching prospect in baseball; he’s a wild card with a wide range of outcomes but remains in the conversion for one of the top 2021 MLB rookies to watch. Brandon Marsh boasts strong plate discipline with power and has a good chance at being called up at some point this season.

Nolan Jones also has good patience and power; he could see a role open up if the rebuilding Indians trade third baseman Jose Ramirez. Josh Jung is a slugging third baseman who has an outside show at being one of the top 2021 MLB rookies, thanks to a clear path to playing time, especially after the Rangers dealt Elvis Andrus. Daniel Johnson is projected to start the season in right field for the Indians; he can provide double-digit home runs and stolen bases.


76. Nick Lodolo, SP, Cincinnati Reds
77. Taylor Trammell, OF, Seattle Mariners
78. J.J. Bleday, OF, Miami Marlins
79. Bobby Witt Jr., SS, Kansas City Royals
80. Luis Campusano, C, San Diego Padres
81. Oneil Cruz, SS, Pittsburgh Pirates
82. Yusniel Diaz, OF, Baltimore Orioles
83. Max Meyer, SP, Miami Marlins
84. Shane Baz, SP, Tampa Bay Rays
85. George Kirby, SP, Seattle Mariners
86. Jorge Mateo, 2B, San Diego Padres
87. Nolan Gorman, 3B, St. Louis Cardinals
88. Matt Liberatore, SP, St. Louis Cardinals
89. Jonathan India, 3B, Cincinnati Reds
90. Austin Martin, SS, Toronto Blue Jays
91. Grayson Rodriguez, SP, Baltimore Orioles
92. Heliot Ramos, OF, San Francisco Giants
93. Simeon Woods Richardson, SP, Toronto Blue Jays
94. Grant Holmes, SP, Oakland Athletics
95. Thomas Szapucki, SP, New York Mets
96. Seth Romero, SP, Washington Nationals
97. Adonis Medina, SP, Philadelphia Phillies
98. C.J. Abrams, SS, San Diego Padres
99. Travis Swaggerty, OF, Pittsburgh Pirates
100. Asa Lacy, SP, Kansas City Royals

Luis Campusano is currently blocked by Austin Nola and Victor Caratini, but he’s a plus bat at catcher. J.J. Bleday is a slugging outfielder with the outside chance to see big-league action in 2021. Oneil Cruz is a hulking, 6-foot-7 shortstop with power and speed upside. Max Meyer was the 2020 third-overall pick and boasts a high upside you want when targeting a prospect at this stage. Simeon Woods Richardson is the former jewel of the Marcus Stroman trade; we could see him find a role in a mediocre Blue Jays rotation. Asa Lacy is like Meyer; he has ace upside, which makes him ideal for a late-round flier in deeper fantasy baseball leagues.


After reading about the 2021 Fantasy Baseball Prospects and Top 2021 Rookies, visit our full MLB page for complete 2021 Fantasy Baseball Draft coverage throughout the offseason. We have articles like 2021 fantasy baseball sleepers, 2021 fantasy baseball draft tips, and more analysis to help you have the best fantasy baseball draft possible.

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