#$%^&*AU2011201728A120121101.pdf#####IN SITU FORMING BIPHASIC OSTEOCHONDRAL PLUG ABSTRACT An osteochondral plug (10) includes a first scaffold (12) and a second scaffold (14). The first scaffold (12) may be a solid scaffold containing one or more pendant reactive functional groups. The second scaffold (14) capable of reacting with the one or more pendant reactive functional groups of the first scaffold (12).