The REAL NFL refs will return to the field for tonight's Ravens vs. Browns match-up in Baltimore ... but some of the players are still concerned ... telling TMZ, "They’re comin' off cold turkey, so it’s going to be very interesting."
TMZ spoke with a member of the Cleveland Browns who reminded us, "The refs usually have a pre-season."
Overall, the players are fired up about the end of the replacement ref era.
We spoke with Ravens player Bryant McKinnie who says he's "very glad" they're back ... adding, "The real refs have better control of the games."
A member of the Browns, who wished to remain anonymous, tells us, "People will be so happy to see the refs. They will be the highlight of the game … at least for the first quarter."
“I’m sure they will give them a standing ovation, especially in Baltimore," the player told us ... adding, "If a call goes against the Browns I’m sure they will give [the refs] a standing ovation.”