A.J. Burnett remained undefeated at home by pitching 7 2-3 strong innings and the Pittsburgh Pirates matched a season high with their fourth consecutive win, beating the Miami Marlins 5-1 on Saturday night.
Burnett (11-3) allowed one run and eight hits. A homer by Justin Ruggiano was his only blemish as he improved to 7-0 at home this season and Pittsburgh (53-40) moved 13 games over .500 for the first time since the end of the 1992 season.
The Pirates entered the day a half-game behind the Cincinnati Reds in the NL Central.
Garrett Jones had two RBIs and Alex Presley scored two runs for the Pirates, who have the majors' best home record at 31-14. Pittsburgh has won 20 of its past 24 at home and 15 of its past 20 overall.
The Marlins have lost four straight.