PHOENIX — The Giants open up their offseason workouts April 7 and wide receiver Malik Nabers, rehabbing from ACL surgery, has told the team he plans on attending the start of the voluntary program. Access the Giants like never before Get texts from Paul Schwartz with all the latest Giants news and insights, exclusive to Sports+ subscribers. tRY IT NOW “It’s going to be great to see him next week,’’ general manager Joe Schoen said Monday from the NFL Annual League Meeting. “See him, let our