"I kicked it into another gear and got more aggressive," Glavine said. "It was like, I've got the lead, I'm not going to give it back."
Glavine allowed just three hits to win his lead-leading 16th game and the Braves beat the Giants 8-5 on Sunday, snapping San Francisco's six-game winning streak and avoiding a three-game sweep.
Chipper Jones had two home runs for the Braves.
"We only had four hits today," Giants second baseman Jeff Kent said, "and that's not enough to beat the Braves."
Ellis Burks homered twice for the second straight game for the Giants.
With the Giants leading 4-3, Jones led off the fifth inning with his 27th home run to tie the game. Jones went 4-for-4.
Andres Galarraga reached on shortstop Rich Aurilia's throwing error, then scored on Brian Jordan's double off Kirk Rueter (8-8) to put the Braves ahead. Walt Weiss added an RBI single later in the inning.
Jones also led off the third with a solo shot. It was the fifth time this year he has homered twice in one game, the 17th time in his career.
"We'd held Chipper in check pretty well until today," Giants manager Dusty Baker said. "We were hoping they'd get out of town before he found his stroke."
Burks gave San Francisco the lead in the third with a three-run homer off Glavine (16-6) over the right-field wall short of McCovey Cove and San Francisco Bay. He also hit a solo shot with one out in the ninth off John Rocker.
Rueter allowed six runs five earned and 10 hits in 4 1-3 innings.
In the bottom of the inning, the Giants narrowed it to 2-1 on Kent's RBI single. He scored Aurilia, who reached on a throwing error by Weiss at shortstop.
In the third, Burks' 17th homer of the season made it 4-2.
Reggie Sanders was 4-for-4, with singles in the second, fourth, fifth and seventh inning, matching a career high.
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