Arizona @ Los Angeles preview

Last Meeting ( Jul 30, 2012 ) Arizona 7, LA Dodgers 2

The Arizona Diamondbacks are doing their best to make the National League West a three-team race. Arizona has won eight of its last 11 games to move 3 1/2 games behind Los Angeles and San Francisco, who are tied for first place after both teams lost Monday. Arizona's Chris Johnson made a strong first impression with his new team on Monday, hitting his second career grand slam in a 7-2 win over the Dodgers. The Diamondbacks hope Johnson’s acquisition from Houston fills the team’s need for a power-hitting third baseman.

Los Angeles bolstered its bullpen late Monday by acquiring reliever Brandon League from Seattle for two minor league prospects - outfielder Leon Landry and reliever Logan Bawcom. League, who has a 3.63 ERA over 44 2/3 innings this season, will likely serve as a setup man for closer Kenley Jansen, who has 20 saves and a 1.89 ERA in 47 games. While general manager Ned Colletti continues to upgrade the roster, Matt Kemp keeps on hitting. The MVP candidate is 25-for-72 (.347) with 10 home runs and 16 RBI since coming off the disabled list on July 13.

TV: 10:10 p.m. ET, FS Arizona (Arizona), KCAL (Los Angeles)

PITCHING MATCHUP: Diamondbacks LH Wade Miley (11-6, 3.11 ERA) vs. Dodgers LH Chris Capuano (10-6, 3.13)

Miley, who set a team rookie record with his 11th win on July 21 against the Astros, is 2-1 with a 3.50 ERA over his last three starts. He’s gone 1-3 with a 5.92 in his last four road starts. Arizona’s lone All-Star selection, Miley is a strong candidate for the National League Rookie of the Year award. He's 1-1 with a 3.38 ERA in two starts against the Dodgers this season.

Capuano is looking to rebound after allowing a season-high six earned runs over 4 1/3 innings last Thursday against the Cardinals. He can tie his 2011 win total with a victory. Capuano is 2-5 with a 4.31 ERA in nine career games (eight starts) against Arizona, and he’s 1-1 with a 4.91 ERA in two starts this season.

WALK-OFFS

1. The Diamondbacks designated 1B Lyle Overbay for assignment to make room for Johnson.

2. Dodgers SS Luis Cruz went 0-for-4 on Monday, ending his career-high 12-game hitting streak.

3. Arizona is 8-3 in its last 11 games at Dodger Stadium.