starts at the top TMZSports.com
If Darren Rizzi ditches his interim head coach tag for a full-time one in New Orleans ... you won't hear Demario Davis complaining -- the Saints star tells TMZ Sports he LOVES the guy.
Rizzi, of course, took over for Dennis Allen last month after the Saints' sideline manager got canned following an abysmal 2-7 start ... and the former special teams coordinator has since led the squad to an admirable 3-2 record.
Davis told us while out at Raising Cane's bike giveaway event this week that Rizzi deserves a ton of credit for the turnaround .