Generations of A's

Cody Ross!

First generation

1. Billy Butler (FA, 2015)
2. Mark Canha (Rule 5, 2015)
3. Jesse Chavez (Cash trade, 2012)
4. Coco Crisp (FA, 2010)
5. Ike Davis (Int'l draft slot trade, 2015)
6. Nate Freiman (Rule 5, 2013)
7. Sonny Gray (1st round, 2011)
8. A.J. Griffin (13th round, 2010)
9. Scott Kazmir (FA, 2014)
10. Arnold Leon (FA, 2008)
11. Renato Nunez (FA, 2010)
12. Eric O'Flaherty (FA, 2014)
13. Dan Otero (Waivers, 2013)
14. Eury de la Rosa (Cash trade, 2015)
15. Cody Ross (FA, 2015)
16. Evan Scribner (Waivers, 2012)
17. Chad Smith (Waivers, 2015)
18. Taylor Thompson (Waivers, 2015)
19. Stephen Vogt (Trade for no player, 2013)

Second generation

1. Fernando Abad < John Wooten (37th round, 2012)
2. Raul Alcantara < Andrew Bailey (6th round, 2006)
3. Ryan Cook < Trevor Cahill (2nd round, 2006)
4. Sean Doolittle < Barry Zito (1st round, 1999)
5. Craig Gentry < Michael Choice (1st round, 2010)
6. Tyler Ladendorf < Orlando Cabrera (FA, 2009)
7. Jarrod Parker < Trevor Cahill (2nd round, 2006)
8. Josh Reddick < Andrew Bailey (6th round, 2006)

Third generation

1. Chris Bassitt < Jeff Samardzija < Addison Russell (1st round, 2012)
2. Kendall Graveman < Josh Donaldson < Rich Harden (17th round, 2000)
3. Brett Lawrie < Josh Donaldson < Rich Harden (17th round, 2000)
4. Sean Nolin < Josh Donaldson < Rich Harden (17th round, 2000)
5. Josh Phegley < Jeff Samardzija < Addison Russell (1st round, 2012)
6. Rangel Ravelo < Jeff Samardzija < Addison Russell (1st round, 2012)
7. Marcus Semien < Jeff Samardzija < Addison Russell (1st round, 2012)

Fourth generation

1. Billy Burns < Jerry Blevins < Jason Kendall < Mark Redman (FA, 2004)
2. Drew Pomeranz < Brett Anderson < Dan Haren < Mark Mulder (1st round, 1998)

Fifth generation

1. Ben Zobrist < Daniel Robertson[^rob] < Josh Willingham < Corey Brown < Frank Thomas (FA, 2006)

Sixth generation

1. R.