New defensive coordinator Jeremy Pruitt will be on the field during games. Offensive coordinator Mike Bobo will remain on the press box level. ‚Ä¶ Wide receiver Malcolm Mitchell still hasn‚Äôt practiced this month after undergoing arthroscopic knee surgery. ‚ÄúHe‚Äôs getting a little bit of running in the water anyway,‚Äù coach Mark Richt said. ‚ÄúI don‚Äôt know if he‚Äôs out on the ground yet.‚Äù ‚Ä¶Junior cornerback Devin Bowman, who Richt said was having a ‚Äúpretty good camp,‚Äù has been sidelined with a pulled hamstring. ‚Ä¶AT&T said it has completed a $10 million investment at Sanford Stadium for improved wireless services that will provide more than four times the capacity for its customers. Georgia athletic director Greg McGarity said this spring that Verizon was making similar upgrades in the stadium.