Here is the tentative 2012 Topps Allen & Ginter autograph checklist.
AGA-AP Albert Pujols
AGA-AB Andrew Bailey
AGA-AC Allen Craig
AGA-AC Aroldis Chapman
AGA-AG Adrian Gonzalez
AGA-AJ Adam Jones
AGA-AK Al Kaline
AGA-AM Andrew McCutchen
AGA-AO Alexi Ogando
AGA-AR Anthony Rizzo
AGA-BB Brandon Beachy
AGA-BG Bob Gibson
AGA-BL Brett Lawrie
AGA-BM Brian McCann
AGA-BP Brad Peacock
AGA-BP Buster Posey
AGA-CC Carl Crawford
AGA-CG Carlos Gonzalez
AGA-CG Craig Gentry
AGA-CK Clayton Kershaw
AGA-CR Cal Ripken Jr.
AGA-CS CC Sabathia
AGA-CY Carl Yastrzemski
AGA-DB Daniel Bard
AGA-DF Dexter Fowler
AGA-DG Dee Gordon
AGA-DG Dillon Gee
AGA-DM Don Mattingly
AGA-DP David Price
AGA-DP Dustin Pedroia
AGA-DU Dan Uggla
AGA-DW David Wright
AGA-EA Elvis Andrus
AGA-EB Ernie Banks
AGA-EH Eric Hosmer
AGA-EL Evan Longoria
AGA-FH Felix Hernandez
AGA-FR Frank Robinson
AGA-GB Gordon Beckham
AGA-HA Hank Aaron
AGA-JA J.P. Arencibia
AGA-JB Jay Bruce
AGA-JB Joe Benson
AGA-JB Johnny Bench
AGA-JB Jose Bautista
AGA-JC Johnny Cueto
AGA-JH Jeremy Hellickson
AGA-JH Josh Hamilton
AGA-JM Joe Mauer
AGA-JP Jimmy Paredes
AGA-JS Jordan Schafer
AGA-JT Jose Tabata
AGA-JT Julio Teheran
AGA-JW Jered Weaver
AGA-JZ Jordan Zimmermann
AGA-KG Ken Griffey Jr.
AGA-MC Miguel Cabrera
AGA-MH Mark Hamburger
AGA-MK Matt Kemp
AGA-MM Matt Moore
AGA-MM Mike Morse
AGA-MP Michael Pineda
AGA-MS Max Scherzer
AGA-MS Mike Schmidt
AGA-MS Mike Stanton
AGA-MT Mark Trumbo
AGA-MT Mike Trout
AGA-NE Nathan Eovaldi
AGA-NR Nolan Ryan
AGA-PF Prince Fielder
AGA-RB Ryan Braun
AGA-RC Robinson Cano
AGA-RH Roy Halladay
AGA-RJ Reggie Jackson
AGA-RS Ryne Sandberg
AGA-RZ Ryan Zimmerman
AGA-SC Starlin Castro
AGA-SK Sandy Koufax
AGA-SM Stan Musial
AGA-TG Tony Gwynn
AGA-TH Torii Hunter
AGA-VW Vance Worley
AGA-VW Vernon Wells
AGA-WM Willie Mays
AGA-YG Yovani Gallardo
AGA-ZB Zach Britton
AGA-APA Ara Parseghian
AGA-AP Arnold Palmer
AGA-BH Bob Hurley Sr
AGA-BK Bob Knight
AGA-CM Colin Montgomerie
AGA-CN Curly Neal
AGA-DD Don Dekinger
AGA-DW Dale Webster
AGA-EA Erin Andrews
AGA-EM Ewa Mataya
AGA-GB Guy Bluford
AGA-GG Greg Gumbel
AGA-JB Jerry Bailey
AGA-JBR James Brown
AGA-KB Keegan Bradley
AGA-KH Kirk Herbstreit
AGA-KU Kate Upton
AGA-LK Lefty Kreh
AGA-MB Michael Buffer
AGA-MH Marty Hogan
AGA-ML Meadowlark Lemon
AGA-MP Michael Phelps
AGA-PP Phil Pfister
AGA-RF Roger Federer
AGA-SC Swin Cash
+ More TBA +
Topps Guy 