How Seattle Was Built

Original 2002 Expansion Draft (7)
Round 2 - SS D. Raglin
Round 7 - 3B J. Willer
Round 9 - OF W. Klopp
Round 10 - MR E. Brister
Round 19 - 1B G. Mudge
Round 25 - OF F. Jackson
Round 29 - MR W. Sewell

2003 Sudden Appearance (3)
MR/CL P. Morales
3B E. Viers
OF L. Huggins

2004 Sudden Appearance (2)
OF P. Zamorano
SS G. Wilde

Amateur Draft (4)
2003, Round 5 - MR/CL T. Vallejo
2004, Round 3 - SP C. Hester
2006, Round 3 - OF L. Maclin
2008, Round 1 - 2B F. Armendariz (second pick in round, rec'd through trade)

Trades (8)
7/28/2004: SP J. Daye, from Stockholm (Daye and Elders for 1B E. Silvas and SP A. Baker)
7/28/2004: MR J. Elders (see above)
7/7/2005: SP A. Garcia from River Cities (Garcia, 1B J. Mendoza, MR J. Ertel, MR M. Bohon for 3B C. Edwards, SP R. Kirkwood, MR J. Cowherd, C. T. Wine)
6/10/2006: 2B L. Chaparro from Walla Walla (Chapparo and OF P. Welch for 3B A. Vega and SP F. Estrada)
1/26/2008: C. S. Herbert from Walla Walla (Herbert for 2nd round pick (became J. Bendel))
1/26/2008: C. W. Blassingame from Danville (Blassingame and 1st round pick (became E. Alustiza) for SP R. Olivas and 1st round pick (became A. Cedeno))
1/27/2008: SP P. Bird from Walla Walla (Bird and 1st round pick (became F. Armendariz) for SP E. Arguelles and 1B B. Vanish)
2/8/2008: SP G. Icenhour from Walla Walla (Icenhour for SP S. Mayhew, MR E. Beliveau, 2B D. Depalma and 4th round pick (became R. Mendez))

Free Agency (1)
2008 - MR A. Beall

As shown above, I've got one group of players that mysteriously appeared in 2003 and another in 2004. I vaguely recall that we had the minor league roster fill-in 2003. Did we have another expansion in 2004, after the four team expansion? I'm confused.