Orioles director of player development Brian Graham and minor league infield instructor Dave Anderson are candidates to fill in for third base coach Bobby Dickerson during Tuesday's game on the road against the Pittsburgh Pirates, Showalter said. Dickerson will miss the game to attend his daughter's graduation. … Showalter will miss Saturday's game in Kansas City to attend his daughter's law school graduation. Graham will fill in as an extra coach for that game. … Right-hander Chris Tillman will start Friday against the Kansas City Royals. Tillman said his groin has felt much better in the past couple days, and he has "no worries" about the injury. … With a single in the first inning Wednesday, center fielder Adam Jones extended his hitting streak to nine games. He recorded his 12th multihit game and American League-leading 11th infield hit of the season. … Frederick Keys catcher Steel Russell, who is the son of Orioles bench coach John Russell, suffered a hand injury that the club fears could be a broken finger. … The Orioles are 5-10 in day games this season. … Double-A Bowie outfielder Dariel Alvarez and right-handed pitcher Tyler Wilson were named the Orioles' Minor League Player and Pitcher of the Month for April, respectively.