| GUID | Player | Team | League | Division | Joined | Abandoned |
|---|---|---|---|---|---|---|
| Jack-InTheBox | SorryYouLose | CAL | DOTA Open | 2006-09-27 | — | |
| Jack In The Box! | [INACTIVE]Team Lost Cause | CAL | Open | 2007-09-28 | 2007-11-02 | |
| jack[ts] | HiJack. | We Raise Eyebrows | CAL | DOTA Open | 2006-03-01 | 2006-04-25 |
| jack-aL | noname | Extinction Agenda | CAL | DOTA Open | 2006-04-25 | 2006-04-26 |
| jack[ts] | noname | Team #91056 | CAL | DOTA Open | 2006-05-03 | 2006-05-17 |
| MsW.Jack | noname | Team #91176 | CAL | DOTA Open | 2006-05-03 | 2006-05-17 |
| Jack Cookies | Unknown^Soldiers | CAL | annex | 2007-05-24 | 2007-05-25 | |
| Jack[SC-EpiG] | Jack | Epidemic Gaming | CAL | sc22 | 2006-12-31 | 2007-01-01 |
| jack nicholson | noname | Illest Killers | CAL | h2o | 2006-02-28 | 2006-05-19 |
| Jack-1)aniels | Clan pDx | CAL | DOTA Open | 2007-03-23 | 2007-09-10 | |
| Jack-1)aniels | Clan Tdda2 | CAL | DOTA Open | 2006-09-27 | 2007-01-01 | |
| Jack-1)aniels | TDDA | CAL | DOTA Open | 2006-09-13 | 2006-09-20 | |
| JacK CooKieS | Unknown^Soldiers | CAL | annex | 2007-05-25 | 2007-06-24 |