By Sean Walsh Where last summer’s transfer window featured a merry-go-round of midfielders, this year’s is expected to revolve around strikers. The forward market isn’t as reliable and potent as it once was. For the most part, Europe’s elite will have to compromise with some of their own expectations or take a punt in order to land a potential scoring hero. On the move is expected to be Viktor Gyokeres, who has registered 36 goals and 15 assists in 42 games for Sporting CP since making the move to Lisbon last summer. It isn’t surprising he’s been so heavily linked with a move away from Sportin…