Gerri Mandagi

Gerri Martin Milliam Mandagi (born 12 June 1988) is an Indonesian professional footballer who plays as a goalkeeper for Liga 2 club PSBS Biak.

Mitra Kukar
Gerri Mandagi was signed for Mitra Kukar to play in Indonesia Soccer Championship A in 2016. He quickly rose as the team's starting goalkeeper, appearing in 40 matches in four seasons.

Persipura Jayapura
Mandagi in 2020 signed for Persipura Jayapura to play in Liga 1 in the 2020 season. This season was suspended on 27 March 2020 due to the COVID-19 pandemic. The season was abandoned and was declared void on 20 January 2021. Mandagi made his league debut on 28 August 2021 in a match against Persita Tangerang at the Pakansari Stadium, Cibinong.

Honours
PSBS Biak
 * Liga 2: 2023–24