Mountcastle went 1-for-3 with a solo home run and a sacrifice fly in Wednesday's 10-3 loss to the Yankees.
The 24-year-old accounted for two of Baltimore's three runs in the contest. Mountcastle has hit safely in seven straight games, going 13-for-28 (.464) in that span. He's lifted his slash line to .262/.307/.475 with 19 homers, 62 RBI, 49 runs scored and four stolen bases through 398 plate appearances while hitting in the heart of Baltimore's order.