A great ressource to see all-time rosters is on the mlb website:
http://colorado.rockies.mlb.com/col/history/players.jspJust be careful though, some outfielders are in the "outfield" category, others (mostly recent) in their primary outfield position.
Just food for thoughts, but when I considered the Rockies (but dismissed the option by lack of courage!!), I considered using the 8.49M Saberhagen as the lone *SP and fulfill the rotation with Fassero, the 6.3M Oswalt, Henry, and 2.38 Greg Harris card. I used Harris a few times (in 80M) and had great success with him, I find him quite a cheap card for the (relative) quality.
I was contemplating the idea of carrying 6 relievers, just to make sure I had enough pitching for those 10-9...actually make it 17-15 games. So in addition to your 3 pure relievers, I was planning to use Knudsen as my mop-up guy, Witasick
as my middle man and Tim Scott (nice cheap card at 1.06M) as a specialist, #3 guy.
Offensively, I believe I had HoJo (7.03M) and Sandy Alomar (5.75M) as starters to fill up the 100M roster. I was not carrying Castilla. Otherwise, I had the same players as you do, except that I was planning to use Murphy's 6.93M, which would make sense to strengthen the lineup against lefties (he's 5L). That gave me a roster of 99.93M