Don’t expect to see Darren Waller on an NFL field ever again … the former Giants star tells TMZ Sports he’s thrilled with his decision to retire — and is adamant he’ll feel that way going forward.The ex-tight end officially called it a career on Sunday … but at 31 years old and still productive when healthy, many of his fans wondered if he really meant it.I reached a point where I don’t have that 100 percent to give to the process,” Waller said. “I don’t think that’s fair to teammates, or fans, or organizations that are expecting me to give that. That’s why I came to the decision I made.”Waller was a dominant force at the TE position when on the field. Over his eight-year career, he racked up 350 catches for 4,124 yards and 20 touchdowns. In 2020, he was selected to a Pro Bowl