Gyeongnam leapfrogged Daegu into eighth place in the K-League by beating it 4-1.
Caique's second-minute penalty gave Gyeongnam the perfect start at home and Luke DeVere doubled the advantage two minutes into the second half.
Caique completed his hat-trick by scoring on the hour and netting a second penalty with 20 minutes to go, before Hwang Il-soo grabbed a 75th-minute consolation for Daegu.
FC Seoul moved within a point of leader Jeonbuk Motors thanks to a 3-2 home win over Gangwon FC.
The capital side claimed its third win in four league matches, but fell behind to Wesley's eighth-minute goal for the visitor.
Busan IPark joined Jeju United on 40 points with a 2-0 win at Gwangju, which was secured by goals from Fagner (13) and
In the day's other game, Incheon United was a 1-0 winner at home to Chunnam Dragons, with
Central Coast Mariners striker Daniel McBreen has signed on loan with Chinese Super League side Shanghai SIPG until 31 October.