While the Royals have mostly gotten out of their early season offensive slumber, one slugger in the lineup is still struggling, Salvador Perez. The longtime face and icon of the franchise is off to one of his slowest starts to a season ever. Why has the now 36-yard-old backstop/DH stuggled and can he recover? Starting with the basic numbers, "Salvy's" slash line is .191/.233/.322 for a paltry .555 OPS. Adding to this, his -0.8 fWAR is one of the worst tallies in the league. Throw in a wRC+ of 47 and an ISO of .132 and the concerns continue to grow. Let's dive a little deeper into the numbers to paint the picture of his season. The Savant Page When you look at Salvy's savant page there is a lot of blue, which is bad. The only numbers, batting-wise, he is average in is barrel rate and hard hit rate at 8.5% and 41.0%. Outside of those two numbers, every other stat has seen massive regression or stayed the same if we talk chase and walk-rates. The plate discipline numbers don't show many major changes.…