The Dutchman signed a four-year deal with the Reds last Friday and came off the bench at Goodison Park on Monday night for his United debut.
Many expect Wayne Rooney and van Persie to be Sir Alex’s first choice attacking pairing this season, but Ritchie believes Welbeck and Hernandez will still get their fair share of action and can only thrive in van Persie’s company.
“It’s a great opportunity for Danny and Chicha to learn from one of the world’s best," Ritchie told ManUtd.com. "They've got to embrace the fact they’ll be playing alongside a fantastically, successful and decorated player whose at the top of his craft. When he’s on song I think he’s unplayable.
“I don’t think either should be afraid. If Manchester United didn’t think both had fantastic futures then they wouldn’t be here. Neither have anything to worry about – they should both embrace van Persie’s arrival and take as much as they can from a master.”
Like every other Red, Ritchie is hugely excited by the number of quality forwards Sir Alex now has at his disposal and insists you can never have too many top drawer strikers.
“The options the manager has in attack now are fantastic. I think everyone is excited to see Wayne and Robin play together but it’s not just about those two - seeing Robin alongside Hernandez and Welbeck will also be exciting,” added the former Red.
“You can never have too many strikers. I’ve been brought up on that as a player and a manager. When I was at Oldham Joe Royle used to have six