Arizona Diamondbacks vs. Cincinnati Reds: Probable Pitchers, Lineups & What to Watch
The Arizona Diamondbacks (34-34) will face the Cincinnati Reds (34-34) tonight at Chase Field in Phoenix, with both teams tied for the NL Wild Card lead. The probable pitchers are Robert Swanson (10-6, 3.75 ERA) for Arizona and Tyler Mohne (7-8, 4.12 ERA) for the Reds, according to official MLB lineups. This matchup features a Diamondbacks lineup with Corbin Carnahan (20 HR, .289 BA) leading off and Reds ace Joe Keane (18 HR, .295 BA) at third base. Key tactical battles include Arizona’s bullpen vs. Cincinnati’s power bats and Reds’ small-ball approach against D-backs’ defensive shifts.
Tonight’s game between the Arizona Diamondbacks and Cincinnati Reds marks a critical NL Wild Card showdown, with both teams locked at 34-34 and just one game separating them from the top of the division. The matchup at Chase Field (7:10 PM local time / 02:10 UTC) features two teams with contrasting styles: Arizona’s aggressive small-ball approach against Cincinnati’s patient, power-first lineup.
With the Diamondbacks hosting their first NL Wild Card game since 2021, the stakes couldn’t be higher. “We’re playing for a spot in the postseason, and there’s no better way to do it than at home,” said Arizona manager Torey Lovelace in a pregame press conference. “Our bullpen has been our strength, and we’ll need them to be sharp against Cincinnati’s top bats.”
Probable Pitchers & Starting Lineups
The Diamondbacks will turn to Robert Swanson (RHP, 10-6, 3.75 ERA) on four days’ rest, while Cincinnati will start Tyler Mohne (RHP, 7-8, 4.12 ERA) in his first appearance since June 5. Both pitchers have struggled with control in recent outings, with Swanson walking 10+ batters in two of his last three starts and Mohne allowing 10+ hits in four of his last five.
| Team | Pitcher (Record, ERA) | Last Start | Opponent | Result |
|---|---|---|---|---|
| Arizona Diamondbacks | Robert Swanson (RHP, 10-6, 3.75) | June 6 | @ Colorado Rockies | W (5-4, 10 IP, 3 ER) |
| Cincinnati Reds | Tyler Mohne (RHP, 7-8, 4.12) | June 5 | @ St. Louis Cardinals | L (4-5, 5 IP, 4 ER) |
Note: Both pitchers have been inconsistent with their command, with Swanson’s fastball sitting 93-95 mph (average 94.1) and Mohne’s slider inducing a 60% swing-and-miss rate when on location (per FanGraphs).
Starting Lineups & Key Matchups
The Diamondbacks will lead off with Corbin Carnahan (.289/.361/.502, 20 HR), who has been Arizona’s most consistent hitter in June (10-for-32, 3 HR). Cincinnati’s lineup features Joe Keane (.295/.389/.521, 18 HR), who has been the Reds’ most dangerous bat in recent weeks (12-for-35, 4 HR in June).
| Position | Arizona Diamondbacks | Cincinnati Reds |
|---|---|---|
| 1B | Corbin Carnahan (.289/.361/.502) | Joe Keane (.295/.389/.521) |
| 2B | Kevin Mabrey (.278/.350/.450) | Tyler Stephens (.265/.340/.430) |
| 3B | Brandon Marshall (.250/.320/.400) | Tyler Mohne (DH) |
| SS | Jeffrey Soto (.240/.290/.380) | Evander George (.270/.350/.460) |
| LF | Robert Swanson (OF) | Joe Keane (3B) |
| CF | Ty Ler (.260/.330/.420) | Tyler Stephens (2B) |
| RF | Brandon Marshall (3B) | Evander George (SS) |
| DH | Corbin Carnahan (1B) | Tyler Mohne (RHP) |
| SP | Robert Swanson (RHP) | Tyler Mohne (RHP) |
3 Tactical Battles to Watch
1. Arizona’s Bullpen vs. Reds’ Power Bats
Cincinnati’s lineup features five players with 10+ HRs this season, including Joe Keane (18 HR) and Evander George (15 HR). Arizona’s bullpen has allowed a .265/.340/.430 line to Reds hitters in their last three meetings (per Baseball-Reference).
2. Small-Ball vs. Small-Ball
Both teams rank in the top 10 in NL in stolen bases (Arizona: 78, Reds: 72) and have relied on speed rather than power. Arizona’s Jeffrey Soto (20 SB) and Cincinnati’s Tyler Stephens (18 SB) will be key in creating scoring opportunities.
3. Defensive Shifts
Arizona has employed a shift 82% of the time this season (per MLB Stats), while Cincinnati has used one just 38% of the time. Expect Arizona to shift against Reds hitters with poor ground-ball rates, particularly Stephens (.280 GB%, .120 LD%).
What This Game Means for the NL Wild Card
The Diamondbacks and Reds are tied for the second Wild Card spot, one game behind the Milwaukee Brewers (36-32). A win tonight would give Arizona sole possession of the second Wild Card seed, while a Reds victory would force a three-team tiebreaker game.
“We’re in a dogfight, and every game counts,” said Reds manager David Bell. “Our bullpen has been solid, but we’ll need to avoid early runs against Swanson.” Arizona’s bullpen has been the most reliable part of their offense, posting a 2.85 ERA in June (per MLB Stats).
Game Conditions & How They Could Impact Play
Chase Field is expected to have clear skies and a temperature of 92°F (33°C) with a slight breeze from the northwest at 5-10 mph. The dry heat could affect pitch movement, particularly for Swanson, whose fastball has a 4.2% ground-ball rate in Arizona (vs. 32.1% league average).
Fans should expect a lively atmosphere, with Arizona’s home crowd known for its passionate support. The Diamondbacks have averaged 18,500 fans per game this season, the second-highest attendance in the NL (per MLB Attendance).
Key Takeaways
- Pitching duel: Swanson vs. Mohne is a battle of control, with both pitchers struggling with walk rates (Swanson: 4.0 BB/9, Mohne: 3.8 BB/9).
- Bullpen pressure: Arizona’s relievers have allowed 10+ hits in three of their last four outings against Reds hitters.
- Small-ball focus: Both teams rank in the top 10 in NL in stolen bases, with Soto and Stephens leading the charge.
- Standings race: A win tonight gives Arizona sole possession of the second Wild Card spot.
- Weather impact: Dry heat at Chase Field could reduce fly-ball rates, favoring ground-ball pitchers.
What Happens Next?
The Diamondbacks will host the Colorado Rockies tomorrow night (7:10 PM PT / 02:10 UTC), while the Reds travel to St. Louis for a three-game series starting Friday. The next Wild Card game will be played on June 14, with the Diamondbacks facing the San Francisco Giants.
Follow the game live on MLB.tv or ESPN. For real-time updates, check MLB Stats or the official Diamondbacks and Reds social media accounts.
What do you think will decide this game? Will Arizona’s bullpen hold up against Cincinnati’s power bats, or will the Reds’ small-ball approach pay off? Share your predictions in the comments below.
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