Seattle placed Cal Raleigh on the 10-day injured list with a right oblique strain and recalled Jhonny Pereda from Triple-A Tacoma, which solves the immediate roster issue and not much else. The Mariners needed another catcher. What they can’t easily replace is Raleigh’s presence. And with this marking the first injured-list stint of his big league career, the move carries a little more weight than usual. The easy version is to say the Mariners lost their star catcher. The better way to look at this is that Raleigh’s injured list stint may finally explain why one of the ugliest offensive stretches of his career looked so broken in real time. Raleigh had just two hits in his past 49 trips to the plate, dragging his season line down to .161/.243/.317.…