Left-hander pitched in Tempe and allowed one run and two hits over three innings, his first outing this spring giving up a run. The run scored when left fielder Justin Upton lost a fly ball in the sun. … threw three scoreless innings on the road in front of manager Joe Maddon, who traveled to the Royals’ complex in part because he wanted to watch the left-hander work. Peters has allowed one run in 7 1/3 innings this spring. He is vying for a spot on the opening day roster, likely as a swing man.