From the Chicago Sun-Times:
When: Monday (August 18) from 4-6 p.m. local time
Where: Woodfield Mall, Comcast Connections Court J
Who: Anderson Silva, Patrick Cote, Diego Sanchez and Thiago Alves
What: Signing autographs
Also: Fans can watch the 1 p.m. news conference outside of the Park Grill at Millennium Park
This sounds like a great opportunity to meet some of the top fighters in the sports today. If you're in the Chicago area on Monday I'd recommend checking it out ... sounds like a very cool experience.