Who's The Youngest In Each League, Opening Day 2017
See Also: Youngest By League, 2016 See Also: Youngest By League, 2015 See Also: Youngest By League, 2014 See Also: Youngest By League, 2013 See Also: Youngest By League, 2012 See Also: Youngest By League, 2011 See Also: Youngest By League, 2010
As we do every year, here is a look at the youngest players on the active rosters of all full-season leagues as of minor league Opening Day. Youth by itself does not guarantee future success, but the fact that a player is able to play in a league ahead of the schedule of his peers is a solid indicator for future success. For example, of the 10 Sally League players and 10 Midwest League players on our original list in 2010, seven of the Sally Leaguers and nine of the Midwest Leaguers have made it to the major leagues.
| MAJORS | |||
| American League | |||
| Team | Player | Pos | Age |
| Kansas City Royals | Raul A. Mondesi | 2B | 21.7 |
| Texas Rangers | Nomar Mazara | RF | 21.9 |
| Houston Astros | Carlos Correa | SS | 22.5 |
| Boston Red Sox | Andrew Benintendi | LF | 22.7 |
| Houston Astros | Alex Bregman | 3B | 23 |
| Seattle Mariners | Edwin Diaz | RHP | 23 |
| Tampa Bay Rays | Daniel Robertson | SS | 23 |
| New York Yankees | Luis Severino | RHP | 23.1 |
| Texas Rangers | Rougned Odor | 2B | 23.2 |
| Seattle Mariners | Chase De Jong | RHP | 23.3 |
| National League | |||
| Team | Player | Pos | Age |
| San Diego Padres | Luis Torrens | C | 20.9 |
| San Diego Padres | Allen Cordoba | SS | 21.3 |
| Colorado Rockies | German Marquez | RHP | 22.1 |
| Colorado Rockies | Antonio Senzatela | RHP | 22.2 |
| San Diego Padres | Miguel Diaz | RHP | 22.3 |
| San Diego Padres | Manuel Margot | CF | 22.5 |
| Milwaukee Brewers | Orlando Arcia | SS | 22.7 |
| Cincinnati Reds | Jose Peraza | SS | 22.9 |
| Los Angeles Dodgers | Corey Seager | SS | 22.9 |
| Chicago Cubs | Albert Almora | CF | 23.0 |
| Triple-A | |||
| International League | |||
| Team | Player | Pos | Age |
| Gwinnett Braves | Ozzie Albies | 2B | 20.2 |
| Durham Bulls | Jake Bauers | RF | 21.5 |
| Durham Bulls | Willy Adames | SS | 21.6 |
| Charlotte Knights | Yoan Moncada | 3B | 21.8 |
| Indianapolis Indians | Austin Meadows | CF | 21.9 |
| Durham Bulls | Kean Wong | 2B | 22.0 |
| Buffalo Bisons | Rowdy Tellez | 1B | 22.0 |
| Charlotte Knights | Zack Burdi | RHP | 22.1 |
| Norfolk Tides | Chance Sisco | C | 22.1 |
| Toledo Mud Hens | Joe Jimenez | RHP | 22.2 |
| Pacific Coast League | |||
| Team | Player | Pos | Age |
| Oklahoma City Dodgers | Alex Verdugo | CF | 20.9 |
| Nashville Sounds | Franklin Barreto | SS | 21.1 |
| Fresno Grizzlies | Francis Martes | RHP | 21.4 |
| Las Vegas 51s | Amed Rosario | SS | 21.4 |
| Oklahoma City Dodgers | Cody Bellinger | 1B | 21.7 |
| Tacoma Rainiers | Tyler O'Neill | RF | 21.8 |
| Las Vegas 51s | Dominic Smith | 1B | 21.8 |
| Sacramento River Cats | Christian Arroyo | SS | 21.8 |
| Oklahoma City Dodgers | Willie Calhoun | 2B | 22.4 |
| Round Rock Express | Ronald Guzman | 1B | 22.4 |
| Double-A | |||
| Eastern League | |||
| Team | Player | Pos | Age |
| Trenton Thunder | Gleyber Torres | SS | 20.3 |
| Portland Sea Dogs | Rafael Devers | 3B | 20.4 |
| Akron RubberDucks | Bobby Bradley | 1B | 20.8 |
| Trenton Thunder | Justus Sheffield | LHP | 20.9 |
| Hartford Yard Goats | Ryan Castellani | RHP | 21.0 |
| New Hampshire Fisher Cats | Richard Urena | SS | 21.1 |
| Trenton Thunder | Thairo Estrada | 2B | 21.1 |
| Akron RubberDucks | Francisco Mejia | C | 21.4 |
| New Hampshire Fisher Cats | Sean Reid-Foley | RHP | 21.6 |
| Reading Fightin Phils | Carlos Tocci | CF | 21.6 |
| Southern League | |||
| Team | Player | Pos | Age |
| Mississippi Braves | Kolby Allard | LHP | 19.6 |
| Mississippi Braves | Mike Soroka | RHP | 19.7 |
| Birmingham Barons | Michael Kopech | RHP | 20.9 |
| Birmingham Barons | Spencer Adams | RHP | 21.0 |
| Biloxi Shuckers | Luis Ortiz | RHP | 21.5 |
| Montgomery Biscuits | Justin Williams | RF | 21.6 |
| Montgomery Biscuits | Riley Unroe | 2B | 21.7 |
| Jackson Generals | Brad Keller | RHP | 21.7 |
| Jackson Generals | Jamie Westbrook | 2B | 21.8 |
| Montgomery Biscuits | Jose Alvarado | LHP | 21.9 |
| Texas League | |||
| Team | Player | Pos | Age |
| San Antonio Missions | Luis Urias | 2B | 19.8 |
| Frisco RoughRiders | Michael De Leon | SS | 20.2 |
| Northwest Arkansas Naturals | Samir Duenez | 1B | 20.8 |
| Midland RockHounds | Grant Holmes | RHP | 21.0 |
| Frisco RoughRiders | Juremi Profar | 3B | 21.2 |
| Frisco RoughRiders | Ariel Jurado | RHP | 21.2 |
| San Antonio Missions | Enyel De Los Santos | RHP | 21.3 |
| Springfield (MO) Cardinals | Jack Flaherty | RHP | 21.5 |
| Springfield (MO) Cardinals | Sandy Alcantara | RHP | 21.6 |
| Tulsa Drillers | Johan Mieses | CF | 21.7 |
| HIGH CLASS A | |||
| California League | |||
| Team | Player | Pos | Age |
| Rancho Cucamonga Quakes | Omar Estevez | 2B | 19.1 |
| Lake Elsinore Storm | Josh Naylor | 1B | 19.8 |
| Lancaster JetHawks | Peter Lambert | RHP | 20.0 |
| Lake Elsinore Storm | Alan Garcia | RF | 20.2 |
| Lake Elsinore Storm | Aldemar Burgos | CF | 20.2 |
| Lake Elsinore Storm | Pedro Avila | RHP | 20.2 |
| Lake Elsinore Storm | Ruddy Giron | SS | 20.2 |
| San Jose Giants | Jalen Miller | 2B | 20.3 |
| Modesto Nuts | Nick Neidert | RHP | 20.4 |
| Rancho Cucamonga Quakes | Yusniel Diaz | CF | 20.5 |
| Carolina League | |||
| Team | Player | Pos | Age |
| Salem Red Sox | Roniel Raudes | RHP | 19.2 |
| Lynchburg Hillcats | Triston McKenzie | RHP | 19.7 |
| Potomac Nationals | Victor Robles | CF | 19.9 |
| Lynchburg Hillcats | Willi Castro | SS | 19.9 |
| Frederick Keys | Ofelky Peralta | RHP | 19.9 |
| Frederick Keys | Jomar Reyes | 3B | 20.1 |
| Frederick Keys | Ryan Mountcastle | SS | 20.1 |
| Carolina Mudcats | Trent Clark | CF | 20.4 |
| Potomac Nationals | Telmito Agustin | LF | 20.5 |
| Carolina Mudcats | Marcos Diplan | RHP | 20.5 |
| Florida State League | |||
| Team | Player | Pos | Age |
| Florida Fire Frogs | Ronald Acuna | OF | 19.3 |
| Florida Fire Frogs | Ricardo Sanchez | LHP | 20 |
| Florida Fire Frogs | Austin Riley | 3B | 20 |
| Palm Beach Cardinals | Junior Fernandez | RHP | 20.1 |
| Bradenton Marauders | Ke'Bryan Hayes | 3B | 20.2 |
| Palm Beach Cardinals | Jake Woodford | RHP | 20.4 |
| Charlotte (FL) Stone Crabs | Genesis Cabrera | LHP | 20.5 |
| Florida Fire Frogs | Alejandro Salazar | SS | 20.5 |
| LOW CLASS A | |||
| Midwest League | |||
| Team | Player | Pos | Age |
| Fort Wayne TinCaps | Eguy Rosario | 3B | 17.6 |
| Lansing Lugnuts | Vladimir Guerrero | 3B | 18.0 |
| South Bend Cubs | Isaac Paredes | SS | 18.1 |
| Fort Wayne TinCaps | Reinaldo Ilarraza | 2B | 18.2 |
| Fort Wayne TinCaps | Fernando Tatis | SS | 18.2 |
| Wisconsin Timber Rattlers | Mario Feliciano | C | 18.4 |
| Fort Wayne TinCaps | Hudson Potts | 3B | 18.4 |
| Peoria Chiefs | Dylan Carlson | CF | 18.4 |
| Great Lakes Loons | Oneil Cruz | 3B | 18.5 |
| Fort Wayne TinCaps | Jack Suwinski | CF | 18.7 |
| South Atlantic League | |||
| Team | Player | Pos | Age |
| Charleston (SC) RiverDogs | Oswaldo Cabrera | 2B | 18.1 |
| Rome Braves | Cristian Pache | CF | 18.4 |
| Hagerstown Suns | Juan Soto | RF | 18.4 |
| Rome Braves | Derian Cruz | SS | 18.5 |
| Hickory Crawdads | Leody Taveras | CF | 18.6 |
| Greenville Drive | Jason Groome | LHP | 18.6 |
| Lakewood BlueClaws | Sixto Sanchez | RHP | 18.7 |
| Lexington Legends | Khalil Lee | CF | 18.8 |
| Lakewood BlueClaws | Mickey Moniak | CF | 18.9 |
| Rome Braves | Ian Anderson | RHP | 18.9 |
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