via Inside Futbol |
The 22-year-old winger joined Plymouth Argyle on loan last summer and impressed with his performances for the League One side.
Swansea cut short Whittaker’s loan deal with Plymouth in January and recalled him back to the club amid interest from several clubs.
Michael Beale has identified him as a key target as he looks to add more attacking options to Rangers.
Rangers submitted an offer for the winger,