Nottingham Forest have completed their ninth signing of the summer with David Carmo joining the club from Porto. The central defender who spent last season on loan with Olympiacos will now spend another year in Greece with the Conference League champions. Forest clearly have eyes for Carmo playing for them in the future, however, with the player signing a five-year contract with the club. The Reds have also loaned Marko Stamenic to Olympiacos this summer and now Carmo will bolster Evangelos Marinakis’ other club in the short term. Naturally, this kind of deal does catch the attention of the fa…