Montgomery changed the grip on his curveball and he was pleased with how it felt in his last outing against the Padres. He is 2-0 in three games (two starts) against the Royals, including a complete game on June 23, 2015.
Keller struggled through an up-and-down July, but got off to a strong start in August. The rookie racked up a career-high nine strikeouts as he held the Tigers to two runs over 6 1/3 innings in a no-decision on Thursday.