Stefan Defregger signs with Rochester, pending USL approval. ROCHESTER, N.Y. — The Rochester Rhinos announced on Wednesday the signing of former Wilmington Hammerheads midfielder Stefan Defregger. This signing is pending USL and federation approval. Stefan is originally from Gilford, N.H., most recently played for the Wilmington Hammerheads of the USL. Defregger made his professional debut … Continue reading Former Wilmington midfielder joins Rhinos