The 20-year-old England U20 international fired home a 60th-minute equaliser for the Dons after they fell behind at home to Bradley Johnson's strike in the 53rd minute.
Check out Murphy's goal from 0:50 below:
The promising youngster, who has made six appearances for MK this term, was gutted by the result at Stadium:mk on the weekend.
Today hurt! Such a good team performance thn got robbed at the end! Just need a little bit of luck! We will turn this around!
— Josh Murphy (@joshmurphy65) September 26, 2015