Zac Gallen

Zac Gallen

Arizona DiamondbacksPitcher2026
Reg6.86 ERA / 56 K / 89.2 IP / 5.7 K/9 / 18G
78.6% HA O 5.576.5% ER O 2.553.3% BBA O 1.5
Season
Best Performer

Zac Gallen goes over 4.5 hits allowed 100% of the time (6-0)

Props — 202619 games with closing lines

avg 2.9
22.2%Over: 4-14-1
4vs O 4.5+190
vsGiants7/1
P
H: 33.3%(9)A: 10%(10)
avg 3.6
72.2%Over: 13-5-1
6vs O 2.5-143
vsGiants7/1
P
H: 62.5%(8)A: 80%(10)
avg 6.2
77.8%Over: 14-4-1
7vs O 5.5-175
vsGiants7/1
P
H: 75%(8)A: 71.4%(7)
avg 1.5
44.4%Over: 8-10-1
1vs O 1.5-112
vsGiants7/1
P
H: 37.5%(8)A: 62.5%(8)
avg 14.5
27.8%Over: 5-13-1
17vs O 17.5+100
vsGiants7/1
P
H: 33.3%(6)A: 14.3%(7)
Inside Edge

Inside Edge

Star Ratings
Avg Rating
2.5
5-Star Games
3(16%)
Total Matchups
19
Distribution
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

StarsPitcher KsO 4.5Earned RunsO 2.5Hits AllowedO 5.5Walks AllowedO 1.5Outs 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
7/7

Pitchers with similar repertoires to Gallen have an ERA of 4.55 against the Padres over the last year.

vs Trevor McDonald
7/1

Current 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
6/26

Pitchers with similar repertoires to Gallen have an ERA of 4.34 against the Rays over the last year.

Game Log

Bet
$
86-146-17 Over249 props
DateOppMarketLineActualResultOdds
7/1vsGiantsHits AllowedO 6.57W+102
7/1vsGiantsEarned RunsO 2.56W-143
7/1vsGiantsOuts RecordedO 17.517L+100
7/1vsGiantsPitcher KsO 2.54W-275
7/1vsGiantsPitcher KsO 4.54L+190
7/1vsGiantsPitcher KsO 3.54W-115
7/1vsGiantsPitcher KsO 5.54L+400
7/1vsGiantsPitcher KsO 6.54L+760
7/1vsGiantsPitcher KsO 7.54L+1520
7/1vsGiantsPitcher KsO 1.54W-1180
7/1vsGiantsOuts RecordedO 16.517W-138
7/1vsGiantsPitcher KsO 0.54W
7/1vsGiantsWalks AllowedO 1.51L-112
7/1vsGiantsPitcher KsO 8.54L
7/1vsGiantsPitcher KsO 9.54L
7/1vsGiantsHits AllowedO 5.57W-175
6/26@RaysPitcher KsO 4.50L+200
6/26@RaysPitcher KsO 5.50L+470
6/26@RaysPitcher KsO 3.50L-115
6/26@RaysPitcher KsO 2.50L-295
6/26@RaysPitcher KsO 6.50L+970
6/26@RaysPitcher KsO 1.50L-1140
6/26@RaysPitcher KsO 7.50L
6/26@RaysPitcher KsO 9.50L
6/26@RaysPitcher KsO 8.50L
6/26@RaysEarned RunsO 2.55W-130
6/26@RaysHits AllowedO 5.54L-117
6/26@RaysOuts RecordedO 15.520W-114
6/26@RaysOuts RecordedO 16.520W+105
6/26@RaysPitcher KsO 0.50L
6/26@RaysWalks AllowedO 1.52W-181
6/25@CardinalsPitcher KsO 5.50P+443
6/25@CardinalsPitcher KsO 3.50P-124
6/25@CardinalsPitcher KsO 4.50P+194
6/25@CardinalsPitcher KsO 2.50P-295
6/25@CardinalsPitcher KsO 1.50P-1140
6/25@CardinalsPitcher KsO 0.50P
6/25@CardinalsPitcher KsO 6.50P+970
6/25@CardinalsPitcher KsO 7.50P
6/25@CardinalsPitcher KsO 8.50P
6/25@CardinalsPitcher KsO 9.50P
6/25@CardinalsOuts RecordedO 16.50P
6/25@CardinalsHits AllowedO 5.50P
6/25@CardinalsEarned RunsO 2.50P-137
6/25@CardinalsWalks AllowedO 1.50P-138
6/25@CardinalsOuts RecordedO 15.50P-125
6/25@CardinalsOuts RecordedO 17.50P+100
6/25@CardinalsHits AllowedO 6.50P+113
6/20vsTwinsPitcher KsO 3.52L-152
6/20vsTwinsPitcher KsO 4.52L+149

Arizona Diamondbacks Teammates

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Frequently Asked Questions

How often does Zac Gallen hit the over on pitcher ks 4.5?
Zac Gallen hits the over on pitcher ks 4.5 22.2% of the time in 2026, going 4-14-1 with an average actual of 2.9. Based on $100 flat bets at best closing odds, this line has returned -$1,058.
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. Based on $100 flat bets at best closing odds, this line has returned +$724.
How often does Zac Gallen hit the over on hits allowed 5.5?
Zac Gallen hits the over on hits allowed 5.5 78.6% of the time in 2026, going 11-3-1 with an average actual of 6.6. Based on $100 flat bets at best closing odds, this line has returned +$744.
How often does Zac Gallen hit the over on walks allowed 1.5?
Zac Gallen hits the over on walks allowed 1.5 53.3% of the time in 2026, going 8-7-1 with an average actual of 1.4. Based on $100 flat bets at best closing odds, this line has returned -$198.
How often does Zac Gallen hit the over on outs recorded 17.5?
Zac Gallen hits the over on outs recorded 17.5 25% of the time in 2026, going 3-9-1 with an average actual of 14.7. Based on $100 flat bets at best closing odds, this line has returned -$627.
What are Zac Gallen's best prop bets in 2026?
Zac Gallen's highest-hitting props in 2026: Hits Allowed O 5.5 at 78.6% (11-3); Earned Runs O 2.5 at 76.5% (13-4); Walks Allowed O 1.5 at 53.3% (8-7).

Zac Gallen 2026 player props sourced from historical closing lines on DraftKings, FanDuel, and BetMGM. Results graded against official MLB box scores.19 games analyzed across 5 markets. Data updates daily. Free on LineTerminal.

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