2017–18 Országos Bajnokság I (men's water polo)
The 2017–18 Országos Bajnokság I was the 112th season of the Országos Bajnokság I, Hungary's premier Water polo league.
Teams
The following 16 clubs compete in the OB I during the 2017–18 season:Head coaches
Regular season
Group A
Schedule and results
In the table below the home teams are listed on the left and the away teams along the top.Group B
Schedule and results
In the table below the home teams are listed on the left and the away teams along the top.Second round
Championship round
The top four teams, from two groups advance from the regular season. Teams start the Championship round with their points from the Regular season.Schedule and results
Key numbers for pairing determinationIn the table below the home teams are listed on the left and the away teams along the top.
Relegation round
The bottom four teams, from two groups advance from the regular season. Teams start the Relegation round with their points from the Regular season.Schedule and results
In the table below the home teams are listed on the left and the away teams along the top.Final round
1st – 4th placement matches
;Semi-finals;Game 1
FTC-PQS Waterpolo won the series 9–0 with points ratio, and advanced to the [|Finals].
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;Game 2
;Game 3
Szolnoki Dózsa won the series 9–6 with points ratio, and advanced to the Finals.
Finals
Higher ranked team hosted Game 1 and Game 3 plus Game 5 if necessary. The lower ranked hosted Game 2 plus Game 4 if necessary.| Team 1 | Team 2 | Game 1 | Game 2 | Game 3 | Game 4 | Game 5 | |
| FTC-PQS Waterpolo | 3–2 | Szolnoki Dózsa | 12-9 | 14-9 | 6-14 | 7-8 | 8-7 |
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FTC-PQS Waterpolo won the Final series 3–2.
Third place
Higher ranked team hosted Game 1 plus Game 3 if necessary. The lower ranked hosted Game 2.| Team 1 | Team 2 | Game 1 | Game 2 | Game 3 | |
| ZF-Eger | 2–0 | A-HÍD OSC Újbuda | 11-5 | 9-7 | — |
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ZF-Eger won the Third place.
5th – 8th Placement matches
;Fifth place gameHigher ranked team hosted Game 1 plus Game 3 if necessary. The lower ranked hosted Game 2.
| Team 1 | Team 2 | Game 1 | Game 2 | Game 3 | |
| MKB Euroleasing-BVSC-Zugló | 2–1 | PannErgy-Miskolci VLC | 9-8 | 10-12 | 14-13 |
;Seventh place game
Higher ranked team hosted Game 1 plus Game 3 if necessary. The lower ranked hosted Game 2.
| Team 1 | Team 2 | Game 1 | Game 2 | Game 3 | |
| RacioNet Honvéd | 2–0 | Debreceni VSE | 10-9 | 13-12 | — |
9th – 12th Placement matches
;Ninth place gameHigher ranked team hosted Game 1 plus Game 3 if necessary. The lower ranked hosted Game 2.
| Team 1 | Team 2 | Game 1 | Game 2 | Game 3 | |
| PVSK-Mecsek Füszért | 1–2 | Kaposvári VK | 13-9 | 7-6 | 6-10 |
;Eleventh place game
Higher ranked team hosted Game 1 plus Game 3 if necessary. The lower ranked hosted Game 2.
| Team 1 | Team 2 | Game 1 | Game 2 | Game 3 | |
| VasasPlaket | 1–2 | Metalcom Szentes | 8-7 | 3-11 | 9-10 |
13th – 16th Placement matches
;Thirteenth place gameHigher ranked team hosted Game 1 plus Game 3 if necessary. The lower ranked hosted Game 2.
| Team 1 | Team 2 | Game 1 | Game 2 | Game 3 | |
| AVUS Szombathely | 2–0 | Tatabányai VSE | 11-6 | 14-11 | — |
;Fifteenth place game
Higher ranked team hosted Game 1 plus Game 3 if necessary. The lower ranked hosted Game 2.
| Team 1 | Team 2 | Game 1 | Game 2 | Game 3 | |
| UVSE | 2–0 | ContiTech Szeged | 11-5 | 13-6 | — |
Season statistics
Top goalscorers
| Rank | Player | Team | Goals |
| 1 |  Alex Bowen | MVLC | 66 |
| 2 |  Márton Vámos | FTC | 62 |
| 3 |  Strahinja Rašović | Eger | 61 |
| 4 | Dénes Varga | FTC | 60 |
| 5 | Andrija Prlainović | Szolnok | 56 |
| 6 | Gergő Zalánki | Szolnok | 54 |
| 7 |  Aaron Younger | Szolnok | 52 |
| 8 |  Angelos Vlachopoulos | Eger | 49 |
| 9 | Márton Nagy | Szentes | 48 |
| 9 | Mátyás Pásztor | BVSC | 48 |
Points classification
| Rank | Player | Team | Rating |
| 1 | Márton Vámos | FTC | 75.0 |
| 2 | Alex Bowen | MVLC | 68.4 |
| 3 | Strahinja Rašović | Eger | 68.3 |
| 4 | Dénes Varga | FTC | 64.2 |
| 5 |  Saša Mišić | MVLC | 64.0 |
| 6 | Angelos Vlachopoulos | Eger | 63.9 |
| 7 | Gergő Zalánki | Szolnok | 61.3 |
| 8 | Alex Csacsovszky | PVSK | 60.2 |
| 9 | Tamás Mezei | Szolnok | 55.4 |
| 10 | Gábor Kis | Szolnok | 55.3 |
Top exclusions
| Rank | Player | Team | Fouls |
| 1 | Dimitrije Obradović | DVSE | 57 |
| 2 | Bálint Takács | Vasas | 55 |
| 3 | Zsombor Horváth | PVSK | 53 |
| 3 | Dávid Jansik | Szolnok | 53 |
| 3 | Szilárd Jansik | FTC | 53 |
| 3 | Kristóf Takács | AVUS | 53 |
| 7 |  Erik Bundschuch | OSC | 52 |
| 7 | Tibor Kókai | Szentes | 52 |
| 9 | Dávid Hőna | Vasas | 50 |
| 9 | Máté Sántavy | Kaposvár | 50 |
Discipline
- Most goals conceded : 23
- * Szolnoki Dózsa-KÖZGÉP / Round 5,
- Most goals conceded: 30
- * Szolnoki Dózsa-KÖZGÉP 23–7 Debreceni VSE / Round 5,
- Fewest goals conceded : 3
- * KSI SE / Round 4,
- Fewest goals conceded: 8
- * EBP Tatabánya 4–4 RacioNet Honvéd / Round 14,
- Attendance:
- * Highest: 1,224 ZF-Eger / Final
- * Lowest: 50 KSI SE
Number of teams by counties
Final standing
Awards
- Best Goalkeeper:
- Best Field player: