Rhett Stafford has converted from the OF to C.
Lefty Ian Krol is looking for a comeback season.
Infielder Ryan Pineda
AJ Cole, acquired from Washington, is one of the A's top young arms.
Blake Hassebrock readies for a bullpen session.
Outfielder Royce Consigli
AJ Griffin pitched at four levels in 2011.
Infielder Wade Kirkland
Promising right-hander Raul Alcantara was acquired from Boston this off-season.
Josh Whitaker runs the bases.
Reliever Blake Treinen during a "stick" drill.
Shane Peterson races around second.
Right-hander Tyler Vail
Infielder Michael Fabiaschi completes a running drill.
Speedster Chris Bostick was the only HS player drafted by the A's to sign last season.
Travis Banwart throws a bullpen session.
Infielder Miles Head was acquired from Boston this off-season.
Outfielder Cedric Hunter began the spring in big league camp.
Berkeley native Chris Lamb is at his first spring training.
Dominican prospect Vicmal De La Cruz takes a big cut.
Jermaine Mitchell is running well despite off-season knee surgery.
Daniel Straily is looking to build off of a strong 2011 season.
Top prospect Michael Choice runs the bases.
JC Menna throws a bullpen session.
First baseman Anthony Aliotti completes a running drill.
Lefty Anthony Capra
Outfielder Matt Sulentic
Outfielder Aaron Shipman is one of the fastest players in the A's system.
Left-hander Brent Powers throws a bullpen.
Outfielder and blogger extraordinaire Jeremy Barfield
Right-hander Drew Bailey in a long toss drill.
Lefty Jake Brown plays long toss.
Bay Area native and USF alum Ryan Lipkin
This is Grant Green's first spring as an outfielder.
Catcher Joel Galarraga is looking for a healthy season.
Starter Shawn Haviland plays catch.
Outfielder Jason Pridie will be serving a suspension to start the year.
Third baseman Stephen Parker
Catcher Petey Paramore
First baseman Michael Spina
A's 2011 14th-round pick Nick Rickles
Reliever Zach Thornton
Starting pitcher Seth Frankoff
Lefty Chaz Mye
A's 2011 19th-round pick Eric Potter
Harvard alum Max Perlman
A's 2011 16th-round pick Tanner Peters
BA Vollmuth was the top position player taken by the A's during last year's draft.
A's 2011 10th-round pick Dusty Robinson
A's 2011 25th-round pick Chad Oberacker
Catcher Daniel Pettiti
A's 2011 4th-round pick Bobby Crocker
Outfielder Dayton Alexander readies to hit.
Starting pitcher Jose Macias
A's 2011 26th-round pick Sam Roberts
Nathan Kilcrease throws a bullpen.
Korean native Seongmin Kim is at his first spring training.
Outfielder Douglas Landaeta
First baseman AJ Kirby-Jones
OF Jordan Tripp sets up for an at-bat.
Infielder Nino Leyja
Outfielder Eliezer Mesa plays catch.
Starting pitcher Gary Daley, Jr.
Starting pitcher Murphy Smith
Hard-throwing reliever Connor Hoehn