Prince Mohammad bin Salman League
The Prince Mohammad bin Salman League, also called the Saudi First Division is the second tier of professional football in Saudi Arabia. The Prince Mohammad bin Salman League is ranked below the Saudi Professional League and above the Saudi Second Division in the Saudi Arabian football league system. All of the MS League clubs qualify for the King Cup, the annual Saudi Cup competition. Abha are the most recent champions winning their first title during the 2018–19 season.
The number of clubs in the league have changed throughout history, most recently in the 2018–19 season when the number of clubs increased from 16 to 20. Since 2018 three clubs from the MS League are directly promoted to the Pro League, while a fourth club can be promoted through play-offs, on the other hand, four clubs are directly relegated to the Second Division.
Hajer and Al-Wehda hold the record number of championships in the league with four. While Ohod holds the record for number of promotions from the MS League to the Pro League, nine.
Promotion and relegation
The top three teams are promoted to the Professional League directly, and the fourth-placed team will qualify for the promotion play-offs against the team which finishes 13th in Professional League. The bottom four teams are relegated to the Second Division.List of teams (2018–19 season)
For details on the MS League 2018–19 season, see here.| Team | Location | Stadium | Capacity |
| Abha | Abha | Prince Sultan bin Abdul Aziz Stadium | |
| Al-Adalh | Al-Hasa | Prince Abdullah bin Jalawi Stadium | |
| Al-Ain | Al-Atawilah | King Saud Sport City Stadium | |
| Al-Ansar | Medina | Al-Ansar Club Stadium | |
| Al-Jabalain | Ha'il | Prince Abdul Aziz bin Musa'ed Stadium | |
| Al-Jeel | Al-Hasa | Prince Abdullah bin Jalawi Stadium | |
| Al-Kawkab | Al-Kharj | Al-Shoulla Club Stadium | |
| Al-Khaleej | Saihat | Prince Nayef bin Abdulaziz Stadium | |
| Al-Mujazzal | Al-Majma'ah | Al-Majma'ah City Stadium | |
| Al-Nahda | Dammam | Prince Fahd bin Salman Stadium | |
| Al-Nojoom | Al-Hasa | Prince Abdullah bin Jalawi Stadium | |
| Al-Orobah | Sakakah | Al-Oruba Club Stadium | |
| Al-Qaisumah | Qaisumah | Al-Batin Club Stadium | |
| Al-Shoulla | Al-Kharj | Al-Shoulla Club Stadium | |
| Al-Tai | Ha'il | Prince Abdul Aziz bin Musa'ed Stadium | |
| Al-Washm | Shaqraa | Al-Washm Club Stadium | |
| Damac | Khamis Mushait | Damac Club Stadium | |
| Hajer | Al-Hasa | Prince Abdullah bin Jalawi Stadium | |
| Jeddah | Jeddah | Reserve Stadium in King Abdullah Sports City | |
| Najran | Najran | Prince Sultan bin Abdul Aziz Stadium |