| GUID | Player | Team | League | Division | Joined | Abandoned |
|---|---|---|---|---|---|---|
| First Alpha | First_Alpha | AoW - 11th Hour Elite | CAL | shado | 2007-07-07 | 2007-10-02 |
| < hh > alpha! | alpha! | Head Hunters Gaming Team 2 | CEVO | Open | — | — |
| alpha.omega | Team Sex'd Up Dota. | CAL | DOTA Open | 2006-04-25 | 2006-10-07 | |
| Alpha-Omega | Aggressive Option | CAL | DOTA Open | 2006-09-20 | 2006-10-08 | |
| Alpha-Omega | Death To All Noobs | CAL | DOTA Open | 2006-09-13 | 2006-10-12 | |
| Alpha-Omega | DotA Central League | CAL | DOTA Open | 2008-11-05 | — | |
| Alpha-Omega | Team #90073 | CAL | DOTA Open | 2006-05-03 | 2006-05-17 | |
| alpha.omega | Nightshifters | CAL | DOTA Open | 2006-09-06 | 2006-11-06 | |
| Alpha XFactor | noname | Devastation | CAL | h2o | 2006-02-28 | 2006-05-19 |