By Daniel Chavkin The veteran running back is pleased with his new head coach thus far. View the original article to see embedded media. The Saints promoted Dennis Allen to head coach when Sean Payton retired after last season, mainly because the team didn’t want to change much from Payton’s regime. Running back Mark Ingram, who is in his second stint with New Orleans, believes keeping the coaching change in-house was important for the team. “I think that was huge, keeping the DNA the same,” Ingram said, via NewOrleansSaints.com. “It’s not like it’s a full rebuild here. I think you have a team…