Over/Under Betting Forecast: Arizona Diamondbacks vs Miami Marlins Prediction 8/21
Read our expert analysis and betting forecast for the Arizona Diamondbacks vs Miami Marlins game on August 21. Get insights into team stats, pitching matchups, and betting trends.
Game Summary
The Arizona Diamondbacks will face off against the Miami Marlins at loanDepot park in Miami, Florida, on August 21. This matchup features two teams heading in different directions as the Diamondbacks struggle with an overall record of 46-79, while the Marlins boast a much more favorable 70-56 record. The Diamondbacks have had a tough season, placing them at the bottom of the National League West standings, while the Marlins are in the hunt for a playoff spot, currently positioned in the National League Wild Card race. Both teams have shown inconsistency, particularly in their pitching performances, setting the stage for an intriguing matchup.
The Diamondbacks will send Roddery Munoz to the mound, who has struggled this season with a record of 2-7 and an ERA of 5.88. Munoz has had difficulty keeping runs off the board, highlighted by a WHIP of 1.47 and a tendency to give up home runs, with 22 allowed across 78 innings pitched. His performance has not only affected his own record but has also contributed to the Diamondbacks' overall struggles this season.
On the other side, the Marlins will start Jordan Montgomery, who has been more effective with a record of 8-6 and an ERA of 6.25. Montgomery's numbers, while not stellar, suggest that he has had moments of brilliance in games where he has been able to limit damage. His strikeout rate of 63 over 89.1 innings shows that he can still be a threat on the mound.
Both teams have seen their batting lineups fluctuate throughout the season. The Diamondbacks have a team batting average of .238, ranking 21st in the league, and a total of 462 runs scored, which is the second-lowest in baseball. In stark contrast, the Marlins have excelled offensively with a league-leading 665 runs scored and a batting average of .260, ranking fourth overall. This offensive disparity could play a crucial role in determining the outcome of this game, especially with both pitchers struggling to find consistency.
As they prepare for this matchup, the weather is expected to be partly sunny with a temperature of 88°F, which may contribute to a favorable environment for hitters. With the Diamondbacks looking to salvage their season and the Marlins aiming to secure their playoff position, this game promises to be a pivotal moment for both teams.
Odds and Betting Lines
Bet Type
Odds
Over/Under
8.5
Arizona Diamondbacks Moneyline
+102
Miami Marlins Moneyline
-124
Pitching Probables
Pitcher
W-L
ERA
WHIP
IP
K
BB
HR
Jordan Montgomery (MIA)
8-6
6.25
1.66
89.1
63
35
10
Roddery Munoz (ARI)
2-7
5.88
1.47
78.0
67
38
22
Team Previews
Arizona Diamondbacks
The Arizona Diamondbacks have had a challenging season, particularly in terms of their pitching. With a total of 79 losses, they rank towards the bottom of the league in both pitching and hitting categories. The team's pitching staff has a combined ERA of 4.62, ranking 28th in the league. This has led to a significant number of runs allowed, which is evident in their record. The starting rotation has struggled with consistency, and Munoz's performance will be crucial in this matchup.
Offensively, the Diamondbacks have lacked the firepower needed to compete consistently. Their team batting average of .238 places them in the lower tier of MLB, and they have scored only 462 runs so far this season. The lack of run production has put immense pressure on their pitching staff, as they often find themselves in tight games where every run counts. Key players like Jake Burger, who leads the team with a .248 batting average and 24 home runs, will need to step up if they hope to provide Munoz with run support.
Miami Marlins
The Miami Marlins, on the other hand, have been having a successful season, currently fighting for a playoff spot. Their offense has been a significant strength, leading the league with 665 runs scored and boasting a .260 batting average. This offensive output has allowed them to remain competitive in many games, even when their pitching has faltered.
Montgomery, despite his high ERA of 6.25, has shown flashes of brilliance and has the ability to keep opposing hitters at bay when he is on his game. The Marlins' bullpen has been solid, and their defensive capabilities are ranked higher than the Diamondbacks’. Players like Lourdes Gurriel Jr. and Joc Pederson have been essential to the Marlins' success, with Gurriel Jr. leading the team in batting average at .270 and Pederson contributing with 20 home runs.
Team Injuries
Arizona Diamondbacks
Player Name
Position
Injury
Injury Status
Kyle Nelson
RP
Shoulder
Out for the season
Miami Marlins
Player Name
Position
Injury
Injury Status
Josh Simpson
RP
Elbow
Expected to be out until at least Aug 20
Dane Myers
RF
Ankle
Expected to be out until at least Sep 1
Betting Trends
The Arizona Diamondbacks are 2-8 in their last 10 games.
The Miami Marlins are 7-3 in their last 10 games.
Over is 5-2 in the Diamondbacks' last 7 games against teams with a winning record.
Under is 4-1 in the Marlins' last 5 games following a win.
The Diamondbacks are 1-4 in their last 5 games against the Marlins.
Recent Games
Arizona Diamondbacks
Opponent
Score
W/L
vs Philadelphia
W12-5
W
vs Philadelphia
W11-1
W
vs Philadelphia
W3-2
W
vs Colorado
W5-4
W
vs Washington
W9-8
W
Miami Marlins
Opponent
Score
W/L
vs San Diego
L9-8
L
vs San Diego
L6-2
L
vs San Diego
W7-6
W
@ Philadelphia
W5-0
W
@ Philadelphia
L9-5
L
Team Rankings
Team
Hitting Rank
Starting Pitching Rank
Relief Pitching Rank
Fielding Rank
Arizona Diamondbacks
29th
28th
29th
2nd
Miami Marlins
1st
25th
16th
30th
Significant Betting Stats
The Diamondbacks are 2-5 in their last 7 road games.
The Marlins have hit the Over in 5 of their last 7 games.
Diamondbacks are 1-5 in their last 6 games against the Marlins.
Montgomery has struggled against teams with a winning record.
Munoz has given up a high number of home runs this season.
The Marlins are 4-1 in their last 5 games against teams with a losing record.
Diamondbacks are 6-14 in their last 20 games overall.
Over is 6-2 in the Marlins' last 8 home games.
Under is 4-1 in the last 5 meetings in Miami.
The Marlins have scored 5 or more runs in 8 of their last 10 games.
Weather
Weather is expected to be partly sunny with a temperature of 88°F.