She represented England at the 1998 Commonwealth Games and 1999 World Netball Championships.

Her Shakers teammates included Jodi Te Huna, Noeline Taurua, Debbie Fuller and Amanda Newton.

[6][7][8] During the Super Cup era, Murphy played for Birmingham Blaze[9][10] and Northern Flames.

[22][23][24] In 1996 she was a member of England team that were bronze medalists at the 1996 World Youth Netball Championships.

[1][21][27] She also captained England during series' against Australia, Jamaica, New Zealand and South Africa.

Between May 2021 and June 2023, she was a member of Jess Thirlby's England coaching staff, working with Sonia Mkoloma and Liana Leota.