Conversation so far:
What was Steve Ballmer's role in sports?
Steve Ballmer was a key investor in several NBA teams.
Did Steve Ballmer purchase a team as well?
Steve Ballmer made a game-changing commitment to invest $150 million in cash toward a proposed $300 million renovation of KeyArena and were ready to purchase the Seattle SuperSonics.
What year did Steve Ballmer make a game-changing commitment to invest $150 million in cash toward a proposed $300 million renovation of KeyArena and were ready to purchase the Seattle SuperSonics?
Steve Ballmer made a game-changing commitment to invest $150 million in cash toward a proposed $300 million renovation of KeyArena and purchase the Seattle SuperSonics in 2008.
Did Steve Ballmer do anything else in Seattle besides try to purchase the SuperSonics?
In June 2012, Ballmer was an investor in Chris R. Hansen's proposal to build a new arena in the SoDo neighborhood of Seattle and bring the SuperSonics back to Seattle.

Question: Did he try to invest in other teams?
Self-contained rewrite: Did Steve Ballmer try to invest in other teams?