Below are starting lineups that have been made public by the clubs. A lineup is not official until it is handed to the umpire. Additional lineups will be added as they become available:

Baltimore Orioles:
1. LF: Nate McLouth
2. 3B: Manny Machado
3. RF: Nick Markakis
4. DH: Adam Jones
5. 1B: Chris Davis
6. C: Matt Wieters
7. SS: J.J. Hardy
8. CF: Chris Dickerson
9. 2B: Alexi Casilla
SP: Kevin Gausman

Boston Red Sox:
1. CF: Jacoby Ellsbury
2. RF: Daniel Nava
3. 2B: Dustin Pedroia
4. DH: David Ortiz
5. 1B: Mike Napoli
6. C: Jarrod Saltalamacchia
7. 3B: Will Middlebrooks
8. SS: Stephen Drew
9. LF: Mike Carp
SP: Ryan Dempster

Chicago Cubs:
1. CF: David DeJesus
2. SS: Starlin Castro
3. 1B: Anthony Rizzo
4. LF: Alfonso Soriano
5. RF: Nate Schierholtz
6. C: Welington Castillo
7. 3B: Luis Valbuena
8. 2B: Darwin Barney
9. SP: Edwin Jackson

Cleveland Indians:
1. CF: Michael Bourn
2. 2B: Jason Kipnis
3. SS: Asdrubal Cabrera
4. LF: Michael Brantley
5. 1B: Carlos Santana
6. DH: Mark Reynolds
7. C: Yan Gomes
8. 3B: Mike Aviles
9. RF: Drew Stubbs
SP: Zach McAllister

Detroit Tigers:
1. 2B: Omar Infante
2. RF: Torii Hunter
3. 3B: Miguel Cabrera
4. 1B: Prince Fielder
5. DH: Victor Martinez
6. SS: Jhonny Peralta
7. LF: Matt Tuiasosopo
8. C: Brayan Pena
9. CF: Avisail Garcia
SP: Rick Porcello

Kansas City Royals:
1. 2B: Chris Getz
2. SS: Alcides Escobar
3. LF: Alex Gordon
4. DH: Billy Butler
5. 1B: Eric Hosmer
6. CF: Lorenzo Cain
7. C: Salvador Perez
8. 3B: Mike Moustakas
9. RF: Jeff Francoeur
SP: Ervin Santana

Los Angeles Angels:
1. SS: Erick Aybar
2. CF: Mike Trout
3. DH: Albert Pujols
4. 1B: Mark Trumbo
5. RF: Josh Hamilton
6. 2B: Howard Kendrick
7. 3B: Alberto Callaspo
8. C: Chris Iannetta
9. LF: J.B. Shuck
SP: Joe Blanton

Minnesota Twins:
1. 3B: Jamey Carroll
2. C: Joe Mauer
3. LF: Josh Willingham
4. DH: Justin Morneau
5. RF: Ryan Doumit
6. 1B: Chris Parmelee
7. 2B: Brian Dozier
8. CF: Aaron Hicks
9. SS: Pedro Florimon
SP: Scott Diamond

Pittsburgh Pirates:
1. LF: Starling Marte
2. RF: Travis Snider
3. CF: Andrew McCutchen
4. 1B: Garrett Jones
5. 2B: Neil Walker
6. C: Michael McKenry
7. 3B: Pedro Alvarez
8. SS: Clint Barmes
9. SP: Jeanmar Gomez

Toronto Blue Jays:
1. LF: Melky Cabrera
2. RF: Jose Bautista
3. 1B: Edwin Encarnacion
4. DH: Adam Lind
5. C: J.P. Arencibia
6. 3B: Brett Lawrie
7. CF: Colby Rasmus
8. 2B: Emilio Bonifacio
9. SS: Munenori Kawasaki
SP: Brandon Morrow