Provided for herein, in several embodiments are implants and methods of using same to repair damaged or defective soft tissue. In several embodiments, the soft tissue comprises cartilage within a joint space. In several embodiments, the implants provided for comprise a stimulating region and an anchoring region. In several embodiments, the implants are spherical. A discontinuity between a surface of the implant and the surrounding cartilage advantageously facilitates implant placement and stimulation of generation of fibrous tissue, and subsequently new cartilage.