Nash signed with Los Angeles Lakers in the off-season and will be replaced by Goran Dragic in the Suns' starting lineup.
Phoenix also added Luis Scola, Michael Beasley and Jermaine O'Neal through free agency and traded for Wes Johnson. The Suns drafted Kendall Marshall out of North Carolina 13th overall in the 2012 NBA Draft.
Golden State will feature Marshall's college teammate and seventh overall pick in the 2012 NBA Draft Harrison Barnes in the lineup on Wednesday.
The NBA season will tip-off on Tuesday with a double-header beginning with the Miami Heat versus the Boston Celtics at 8 p.m. ET on TNT. Dwight Howard will make his regular season debut with the Lakers in the second game when Los Angeles hosts the Dallas Mavericks.
Other notable games this week include (all times eastern):
Wednesday Oct. 31 - Memphis Grizzlies versus Los Angeles Clippers 10:30 p.m.
Thursday Nov. 1 - New York Knicks versus Brooklyn Nets at 7:00 p.m. on TNT
Thursday Nov. 1 - Oklahoma City Thunder versus San Antonio Spurs at 9:30 p.m. TNT
Visit SI.com to see the complete NBA schedule.