Clutch hitting from veteran Brisbane catcher Cody Clark and a stingy defence helped the Bandits (5-4) snatch two important Australian Baseball League wins in Adelaide.

With the round four series against the Adelaide Bite (3-7) split, Brisbane sit in second place and only a game and a half behind league leaders Perth.

Clark, of the Kansas City Royals organisation, has been a pleasant surprise for the Bandits this season with fourteen hits, third best in the league, and an impressive .389 batting average.

In game one, Clark was responsible for four of the Bandits' six runs in their 6-2 win.

The Bite claimed game two 7-6 and game three 5-2, but Clark was productive for the Bandits in both losses, registering a double, two runs driven in and a homer in the double header.

Brisbane bounced back in game four, three of the visitors belting home runs in a 7-3 victory.

In Sydney, Perth Heat (7-3) stumbled early in their round four series with the Blue Sox (5-5), dropping their first two games before recovering to split the series.

Game one was a pitchers' duel between the ABL's best men on the mound, former Major Leaguers Chris Oxspring of Sydney and Virgil Vasquez from Perth, with neither allowing a run.

Ultimately, Sydney got the walk-off victory, 1-0 when red-hot Zach Penprase drove in the game-winning run in the bottom of the ninth.

Oxspring pushed his consecutive scoreless innings streak to 21 2/3 innings, an ABL record, and Sydney got their first ever win against Perth in Blacktown.

Sydney's talented pitching rotation kept Perth's batters in check again in game two as Sydney got the 5-3 win and a share of first place for the first time since early last season.

An outstanding game from Allan de San Miguel, who finished just a triple short of batting for the cycle, helped the Heat recover and pick up the 6-4 win to end their three-game losing streak.

Perth won again in game four, 4-3 off an outstanding start from pitcher Daniel Schmidt.

In Canberra, a three-run homer by Josh Hendricks set up a 5-3 victory for the Melbourne Aces (5-5) in game one against the Cavalry (4-5).

The Cavalry responded by sweeping the Aces in Saturday's double header 10-9 and 5-3.

The hosts kept game four close but defensive errors proved to be costly as Canberra lost to the Aces 8-7.