Click here to see the hidden message (It might contain spoilers)
2. Blob Racing
3. Huttball (the Warzone area in SWTOR of the same name appears to be an actual deathsport)
4. Geonosian gladiator fighting
5. Geonosian executions (appear to be for sport, so I think it should count).
6. Lightsaber sporting tournaments (see Yoda: Dark Rendezvous, where Yoda and some other Masters preside over a dueling tourney.)
There are a few others I can't remember the names of, like the droid football-like sport seen on the TVs in the bar in Episode II, or the hang-gliding racing game that Anakin played in Rogue Planet.