The Atlanta Braves got another solid day out of veteran starting pitcher Martín Pérez. He delivered 5 2/3 innings of two-run ball during Wednesday’s 3-1 loss to the Seattle Mariners.  Overall, on the season, he has a 2.38 ERA, a 1.00 WHIP, a 171 ERA+ and hitters are batting .193 against him. He's defying all of his metrics on Baseball Savant, though his offseed run value is in the 89th percentile. Regardless of being needed out of the bullpen or as a starting pitcher, he’s delivered more often than not.  Arguably, the only time he hasn’t delivered was in his second appearance of the season, when he allowed four earned runs over five innings pitched out in Arizona. Besides that, he’s been available to get the job done every four to five days without fail, even after being designated for assignment and re-signed.  He was an option who drew little fanfare when he signed over the offseason. He arrived on a minor-league contract with a spring training invite.…