Orioles (82-71) vs. Diamondbacks (64-88)

Where: Camden Yards


First pitch: 7:05 p.m.

TV/Radio: MASN2/105.7 The Fan

Starting pitchers: Orioles RHP Yovani Gallardo (5-8, 5.77 ERA) vs. Diamondbacks RHP Shelby Miller (2-12, 6.90 ERA)

What to watch

1. Must capitalize: The Orioles complete their home schedule with a timely series against one of the worst teams in baseball, the Arizona Diamondbacks. This weekend has gained in importance because of the Orioles' four-game sweep at the hands of the division-leading Boston Red Sox. Trailing by seven games in the division race with nine games to go, the Birds can just about close the book on winning the American League East. But they find themselves on the outside of the wild-card race as the weekend begins, in a fight to get back in position to participate in the one-game playoff. The Orioles trail the Toronto Blue Jays by 1 1/2 games and the Detroit Tigers by a half-game. They sit one game ahead of the Houston Astros, 1 1/2 ahead of the Seattle Mariners and 2 1/2 ahead of the New York Yankees.

2. Rare appearance: Yovani Gallardo makes just his second appearance since Sept. 6, and the Orioles need better results than his last outing. Pitching on eight days' rest, the veteran right-hander allowed six runs in 3 1/3 innings his last time out. It's worth wondering whether he'll be any better on more extra rest, this time after a seven-day break.

3. Good timing: The Orioles scored just eight runs during their four-game series against the Red Sox. In dire need of a turnaround, the Orioles get a look at the worst pitching staff in baseball. The Diamondbacks have a major league-high 5.19 team ERA, balanced out by MLB's second-worst rotation (5.27 ERA) and second-worst bullpen (5.06 ERA). Tonight, disappointing offseason acquisition Shelby Miller starts for the Diamondbacks with a 6.90 ERA this season.

Orioles lineup

LF Hyun Soo Kim
CF Adam Jones
3B Manny Machado
1B Chris Davis
RF Mark Trumbo
DH Pedro Alvarez
2B Jonathan Schoop
C Matt Wieters
SS J.J. Hardy

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