Arizona Diamondbacks78.6% HA O 5.576.5% ER O 2.553.3% BBA O 1.5
Season
All Zac Gallen propsProps — 202619 games with closing lines
Earned Runs
19g72.2%Over: 13-5-1
6vs O 2.5-143
vs
Giants7/1
Giants7/1✓✓P✓✓✓✓✓✓✗
H: 62.5%(8)A: 80%(10)
SeasonalityAll lines
Inside Edge
Star RatingsAvg Rating
2.5★★★★★
5-Star Games
3(16%)
Total Matchups
19Distribution
5
4
3
2
1
Prop Performance by Star Rating
How Gallen's prop overs perform at the primary line based on InsideEdge pitcher star rating
| Stars | Pitcher KsO 4.5 | Earned RunsO 2.5 | Hits AllowedO 5.5 | Walks AllowedO 1.5 | Outs RecordedO 17.5 |
|---|---|---|---|---|---|
| ★★★★★ | 0%(0-3) | 100%(3-0) | 100%(3-0) | 66.7%(2-1) | 33.3%(1-2) |
| ★★★★★ | 0%(0-1) | 100%(1-0) | 100%(1-0) | 0%(0-1) | 0%(0-1) |
| ★★★★★ | 0%(0-3) | 66.7%(2-1) | 33.3%(1-2) | 66.7%(2-1) | 0%(0-2) |
| ★★★★★ | 42.9%(3-4) | 57.1%(4-3) | 80%(4-1) | 50%(3-3) | 25%(1-3) |
| ★★★★★ | 25%(1-3) | 66.7%(2-1) | 66.7%(2-1) | 33.3%(1-2) | 33.3%(1-2) |
Recent Scouting Notes
★★★★★vs Germán Márquez
7/7Pitchers with similar repertoires to Gallen have an ERA of 4.55 against the Padres over the last year.
★★★★★vs Trevor McDonald
7/1Current Giants hitters are batting .274 against right-handed pitchers with a similar repertoire to like Gallen over the the last two years.
★★★★★vs Nick Martinez
6/26Pitchers with similar repertoires to Gallen have an ERA of 4.34 against the Rays over the last year.
Game Log
Bet
$
14-8-1 Over19g · 23 props
| Date ↓ | Opp | Line | Actual | Result | Odds |
|---|---|---|---|---|---|
| 7/1 | vsGiants | O 2.5 | 6 | W | -143 |
| 6/26 | @ Rays | O 2.5 | 5 | W | -130 |
| 6/25 | @ Cardinals | O 2.5 | 0 | P | -137 |
| 6/20 | vs Twins | O 2.5 | 9 | W | -130 |
| 6/14 | @ Reds | O 2.5 | 3 | W | -145 |
| 6/9 | @ Marlins | O 2.5 | 4 | W | -103 |
| 6/3 | vs Dodgers | O 2.5 | 4 | W | -125 |
| 5/29 | @ Mariners | O 2.5 | 5 | W | +116 |
| 5/23 | vs Rockies | O 2.5 | 3 | W | +105 |
| 5/18 | vsGiants | O 2.5 | 2 | L | -130 |
| 5/12 | @ Rangers | O 2.5 | 7 | W | -133 |
| 5/7 | vs Pirates | O 2.5 | 4 | W | -112 |
| 5/1 | @ Cubs | O 2.5 | 6 | W | +120 |
| 5/1 | @Cubs | O 1.5 | 6 | W | -171 |
| 4/25 | vs Padres | O 4.5 | 0 | L | +115 |
| 4/25 | vsPadres | O 3.5 | 0 | L | -145 |
| 4/18 | vs Blue Jays | O 2.5 | 2 | L | +103 |
| 4/12 | @ Phillies | O 2.5 | 3 | W | -120 |
| 4/7 | @ Mets | O 2.5 | 1 | L | +126 |
| 4/7 | @Mets | O 1.5 | 1 | L | -185 |
| 4/1 | vs Tigers | O 2.5 | 0 | L | +110 |
| 4/1 | vsTigers | O 1.5 | 0 | L | -175 |
| 3/26 | @Dodgers | O 2.5 | 4 | W | -152 |
Arizona Diamondbacks Teammates
View allFrequently Asked Questions
How often does Zac Gallen hit the over on earned runs 2.5?
Zac Gallen hits the over on earned runs 2.5 76.5% of the time in 2026, going 13-4-1 with an average actual of 3.8.
Is Zac Gallen over 2.5 earned runs a good bet?
Based on 19 games in 2026, betting $100 on Zac Gallen over 2.5 earned runs at best closing odds has returned +$624 (+32.84% ROI). The hit rate is 76.5% with an average actual of 3.8.
What is Zac Gallen's earned runs average this season?
Zac Gallen averages 3.8 earned runs per game in 2026 across 19 games. The primary line is set at 2.5.
Inside Edge