The importance of prospects to a team's success is seen over and over again. A year ago at this time, Cody Bellinger and Aaron Judge -- the 2017 National League and American League Rookie of the Year Award winners -- were simply prospects looking to land a spot on the roster.
Sure, they were both highly touted and ranked among the top 50, but that doesn't always translate to immediate success. Both Bellinger and Judge helped their teams play into October and it's extremely likely that there will be several prospects who have huge impacts once again in 2018.
So who will those prospects be? Perhaps, the answers will start to reveal themselves during Spring Training. Here's a look at some prospects to keep an eye on as camps get underway.
Prospects on 40-man roster appear in italics.
ANGELS
Competing for job:Shohei Ohtani (No. 1 on Top 100 Prospects list), Jaime Barria
First taste:Jahmai Jones (No. 93), Osmer Morales
Also invited:Taylor Ward, Matt Thaiss, David Fletcher, Luke Bard, Jesus Castillo, Jake Jewell, Michael Hermosillo
ASTROS
Competing for job: David Paulino
First taste:Cionel Perez
Also invited:Kyle Tucker (No. 17), Jandel Gustave, Rogelio Armenteros, Drew Ferguson, Riley Ferrell, Myles Straw, Garrett Stubbs, Trent Thornton, Framber Valdez
ATHLETICS
Competing for job:Franklin Barreto (No. 66), Renato Nunez, Dustin Fowler
First taste:Nolan Blackwood, Logan Shore, Sheldon Neuse
Also invited:A.J. Puk (No. 32), Jorge Mateo (No. 72), Ramon Laureano, Sean Murphy, Grant Holmes
BLUE JAYS
Competing for job:Anthony Alford (No. 47)
Also invited:Reese McGuire, Rowdy Tellez, Richard Urena, Max Pentecost, Danny Jansen, Ryan Borucki, J.D. Davis, Jordan Romano, Jon Harris, Sean Reid-Foley
BRAVES
Competing for job:Ronald Acuna Jr. (No. 2), Luiz Gohara (No. 49), Max Fried (No. 83), Dustin Peterson, A.J. Minter, Akeel Morris
First taste:Kyle Wright (No. 30), Mike Soroka (No. 31), Kolby Allard (No. 58), Austin Riley (No. 97), Cristian Pache
Also invited:Alex Jackson, Ricardo Sanchez
BREWERS
Competing for job:Brandon Woodruff (No. 96), Brett Phillips, Taylor Williams
First taste:Keston Hiura (No. 56), Corbin Burnes (No. 69)
Also invited:Jacob Nottingham, Luis Ortiz, Marcos Diplan, Adrian Houser, Freddy Peralta, Mauricio Dubon
CARDINALS
Competing for job:Jack Flaherty (No. 38), Carson Kelly (No. 46), Tyler O'Neill (No. 94), Harrison Bader
First taste:Ryan Helsley, Jordan Hicks, Dakota Hudson, Andrew Knizner, Randy Arozarena
Also invited:Alex Reyes (No. 18), Edmundo Sosa, Max Schrock, Yairo Munoz, Conner Greene, Austin Gomber, Oscar Mercado
CUBS
Competing for job:Victor Caratini, Rob Zastryzny
First taste:Thomas Hatch, Adbert Alzolay, Oscar De La Cruz, Dillon Maples, Jen-Ho Tseng
Also invited:Chesny Young, Duane Underwood, Alec Mills
D-BACKS
Competing for job:Anthony Banda, Jimmy Sherfy,Jared Miller, Jack Reinheimer
First taste:Taylor Clarke, Kevin Cron
Also invited: Ildemaro Vargas, Christian Walker, Socrates Brito
DODGERS
Competing for job:Walker Buehler (No. 13), Alex Verdugo (No. 33), James Farmer
First taste:Will Smith, Matt Beaty, Drew Jackson, Jake Peter, Edwin Rios, Yusniel Diaz, D.J. Peters, Dennis Santana
Also invited:Keibert Ruiz (No. 52)
GIANTS
Competing for job:Steven Duggar, Tyler Beede, Reyes Moronta, Miguel Gomez, Austin Slater, Andrew Suarez, Chris Shaw
First taste:Julian Fernandez
Also invited:Joan Gregorio, D.J. Snelten
INDIANS
Competing for job:Francisco Mejia (No. 11), Greg Allen, Ryan Merritt
First taste:Bobby Bradley, Julian Merryweather, Willi Castro, Yu-Cheng Chang
Also invited:  Shawn Morimando
MARINERS
Competing for job:Dan Vogelbach, Nick Rumbelow, Mike Ford
First taste:Braden Bishop, Art Warren, Matt Festa, Ian Miller
Also invited:Sam Moll, Max Povse, Chase De Jong
MARLINS
Competing for job:Lewis Brinson (No. 27), Sandy Alcantara, Dillon Peters, Brian Anderson, Magneuris Sierra
First taste:Monte Harrison (No. 71), Isan Diaz, Nick Neidert, Merandy Gonzalez, Pablo Lopez, Zac Gallen, Trevor Richards
METS
Competing for job:Tomas Nido, Gavin Cecchini, Chris Flexen, Jamie Callahan, Jacob Rhame
First taste:Peter Alonso, Patrick Mazeika, David Thompson, Gerson Bautista, Corey Oswalt
Also invited:P.J. Conlon, Marcos Molina, Luis Guillorme
NATIONALS
Competing for job:Victor Robles (No. 6), Erick Fedde, Pedro Severino, Andrew Stevenson
First taste:Kelvin Gutierrez, Jose Marmolejos
Also invited:Austin Voth,  Rafael Bautista, Taylor Gushue, Osvaldo Abreu
ORIOLES
Competing for job:Austin Hays (No. 23),Tanner Scott, Chance Sisco, Stefan Crichton
First taste:Ryan Mountcastle (No. 98), Cedric Mullins
Also invited: D.J. Stewart, David Hess, Hunter Harvey, Chris Lee, Jesus Liranzo, Yefry Ramirez
PADRES
Competing for job:Franchy Cordero
First taste:Fernando Tatis Jr. (No. 8), Cal Quantrill (No. 40), Jacob Nix, Eric Lauer, Joey Lucchesi, Austin Allen, Josh Naylor
Also invited: Luis Urias (No. 36)
PHILLIES
Competing for job:J.P. Crawford (No. 37), Jorge Alfaro, Victor Arano, Dylan Cozens, Roman Quinn, Tom Eshelman
First taste:Franklyn Kilome, Ranger Suarez, Seranthony Dominguez, Enyel De Los Santos, J.D. Hammer
Also invited: Scott Kingery (No. 35), Drew Anderson
PIRATES
Competing for job:Colin Moran, Kyle Crick, Jordan Luplow, Nick Kingham
First taste:Yeudy Garcia, Kevin Kramer, Cole Tucker, Jason Martin, Bryan Reynolds, Luis Escobar
Also invited:Austin Meadows (No. 45), Kevin Newman, Clay Holmes
Disabled list:Nick Burdi
RANGERS
Competing for job:Willie Calhoun (No. 53), Carlos Tocci, Yohander Mendez
First taste:Jonathan Hernandez, Brett Martin, Joe Palumbo, Scott Heineman, Andy Ibanez
Also invited:Ariel Jurado, Jose Trevino, Connor Sadzeck, Ronald Guzman
RAYS
Competing for job: Willy Adames (No. 22), Jaime Schultz, Jake Bauers (No. 64), Christian Arroyo (No. 81), Jose De Leon
First taste:Joe McCarthy
Also invited: Brent Honeywell (No. 12), Ryan Yarbrough
RED SOX
Competing for job:Jalen Beeks, Austin Maddox, Chandler Shepherd, Christopher Johnson
First taste:Michael Chavis (No. 79), Chad De La Guerra, Williams Jerez
Also invited:Sam Travis, Kyle Martin
REDS
Competing for job:Tyler Mahle (No. 84), Ariel Hernandez, Phil Ervin, Jimmy Herget
First taste:Nick Senzel (No. 7), Tanner Rainey, Jose Siri, Shed Long, Alex Blandino
Also invited: Aristides Aquino
ROCKIES
Competing for job:Ryan McMahon (No. 41), Jairo Diaz, Noel Cuevas
First taste:Brendan Rodgers (No. 15), Peter Lambert, Sam Hilliard, Garrett Hampson, Brian Mundell
Also invited:Yency Almonte, Ryan Castellani, Sam Howard, Jordan Patterson, Harrison Musgrave, James Farris, Dom Nunez
ROYALS
Competing for job:Miguel Almonte, Brad Keller, Trevor Oaks, Burch Smith, Hunter Dozier, Eric Skoglund
First taste:Nicky Lopez, Heath Fillmyer, Foster Griffin, Richard Lovelady, Meibrys Viloria, Donnie Dewees
Also invited:Josh Staumont, Chase Vallot, Kyle Zimmer, Ryan O'Hearn, Samir Duenez
TIGERS
Competing for job:Jairo Labourt
First taste:Alex Faedo (No. 59), Jake Rogers, Sandy Baez, Gerson Moreno, Gregory Soto, Sergio Alcantara
TWINS
Competing for job:Stephen Gonsalves (No. 78), Jake Reed, J.T. Chargois, John Curtiss, Fernando Romero (No. 68), Mitch Garver, Zack Granite
First taste:Zack Littell, Lewis Thorpe
Also invited:Nick Gordon (No. 80), LaMonte Wade, Felix Jorge
WHITE SOX
Competing for job:Aaron Bummer, Thyago Vieira
First taste:Luis Robert (No. 28), Alec Hansen (No. 54), Dylan Cease (No. 61), Dane Dunning (No. 92), Jake Burger, Jordan Stephens, Jordan Guerrero, Ian Clarkin, Micker Adolfo, Luis Alexander Basabe
Also invited:Eloy Jimenez (No. 4), Michael Kopech (No. 10), Zack Collins, Ryan Cordell
YANKEES
Competing for job:Gleyber Torres (No. 5), Miguel Andujar (No. 65), Albert Abreu (No. 74), Domingo Acevedo, Giovanny Gallegos, Domingo German, Ben Heller, Jonathan Loaisiga, Billy McKinney
First taste:Estevan Florial (No. 44), Thairo Estrada
Also invited:Justus Sheffield (No. 48), Chance Adams (No. 74)