 Complete the following phrase:  In 1900, Hearts agreed Rennies transfer to Celtic, however a problem with his contract ensured he never officially joined the Glasgow club. Instead, he signed for Hearts city rivals Hibernian, where he became an important figure in one of the most successful eras in the clubs history. He helped them to claim the 1901-02 Scottish Cup, defeating Celtic 10 in the final, with contemporary match reports crediting him with several notable saves. Hibs triumphed despite the final being played at Celtic Park, the home ground of their opponents, as a result of Ibroxs unavailability following the 