Confirmation regarding the return of the Diamondbacks' ace.

The Arizona Diamondbacks opened a three-game series at Kauffman Stadium in Kansas City on Monday, Sept. 7, with a heart-stopping win in 10 innings.

Arizona gets its ace back from a 15-month recovery following Tommy John surgery as the club protects a half-game lead for the final National League wild-card spot against Kansas City starter Michael Wacha.

How to catch the action on Labor Day.

Noah Cameron takes the ball at Kauffman Stadium on Monday afternoon, but the news that shapes the rest of September for Kansas City is more likely to arrive on Tuesday and Wednesday.

The Arizona Diamondbacks emerged from Saturday's win, Sept. 5, at Houston a half-game ahead of San Diego for the third and final wild-card spot.

The Royals have slowed down after a hot stretch to end August as they welcome the Diamondbacks to Kauffman Stadium.

Geraldo Perdomo's two-run single highlighted a late surge, and Dennis Santana stranded the tying run at third base to give the Diamondbacks a one-game lead over San Diego for the final National League wild-card spot.

The Diamondbacks designated outfielder Max Kepler for assignment on Sunday ahead of their series finale with the Astros.

The Diamondbacks designated Max Kepler for assignment before their series finale Sunday, Sept. 6, in Houston against the Astros, and recalled DH Adrian Del Castillo from Triple-A Reno. Kepler hit just .205 with a .565 OPS through his 41 games with Arizona, with two home runs and 15 RBIs.