SEATTLE – There’s always a “what’s next?” with Seattle Mariners general manager Jerry Dipoto, and it’s no different after the blockbuster five-player trade late Wednesday that netted shortstop/leadoff hitter Jean Segura from Arizona. “Obviously, the (rotation) depth is no longer enviable,” Dipoto said, “and we will need to look to the market, whether a trade or a free agent, to try to help create a little more depth. Perhaps at the back of our rotation.