updated 4:30 p.m. ET June 21, 2008

CHICAGO - The Cubs have the best record in the majors, so it’s no surprise they’re proving to be the top team in their own city.

Jim Edmonds, once with the St. Louis Cardinals and booed as loudly at Wrigley Field as some of the White Sox are now, hit two homers in a nine-run fourth inning Saturday, lifting the Cubs to an 11-7 victory.

“Whenever you get done tying me to the Cardinals, it’ll be fine so I can start getting a little bit of Cubs’ history in my background,” Edmonds said. “It’s a great win.”

Everything Jose Contreras of the White Sox threw, the Cubs seemed to swing at and hit in their biggest inning of the season.

Edmonds and Mike Fontenot hit back-to-back homers to open the inning and Aramis Ramirez and Edmonds had consecutive shots to close it.

“It was a great inning, fun to be part of,” said Edmonds, who struggled earlier this season before being released by the Padres in May and then signed by the Cubs.

The Cubs, who also hit back-to-back homers Friday, finished with 15 hits Saturday. They’ve now won 13 straight at Wrigley Field, where they are 31-8 this season.

The White Sox led 4-1 after two-run homers from Jermaine Dye and DeWayne Wise, before the Cubs jumped all over Contreras to win for a second straight day in a matchup of first-place teams.

“They put up a string of hits and it was like in the blink of an eye. Before you know it, they’re up on us by a few runs,” said Dye, who has homered in three straight games and has six in his last six games.

Edmonds, who’d missed the two previous games with a sore foot, and Fontenot homered on consecutive pitches from Contreras to get the fourth inning rolling and cut the lead to one.

After Ryan Theriot walked and Cubs’ starter Jason Marquis singled, the Cubs followed with three RBI singles from Kosuke Fukudome, Eric Patterson and Derrek Lee for a 6-4 lead. It was the third hit of the game for Patterson, who was just recalled from the minors Saturday.

Ramirez — the hero of Friday’s 4-3 victory with the game-tying and game-winning homers — then dealt the White Sox a crushing blow, a three-run shot to left just over the wall to finish Contreras (6-6). Contreras’ line wasn’t pretty: 3 1-3 innings, 10 hits and nine earned runs.

“We took advantage of his mistakes. He left a lot of splitters up. And the guys made good swings,” Ramirez said.

“I’ve never had an inning like that in my career,” Contreras said through a translator.

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