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OAKLAND, Calif. -- Tommy Milone's changeup felt the best it has yet. His cut fastball in kept Chicago's hitters off balance all night.

He just wishes he could have finished what he started with a complete game -- yet there's plenty of time for that.

"It's still early, definitely," Milone said.

Pinch hitter Kurt Suzuki doubled in the go-ahead run in the eighth inning, Milone outdueled Gavin Floyd and the Oakland Athletics beat the Chicago White Sox 2-0 on Tuesday night.

"Probably the best my arm has felt so far this year," Milone said. "Just being able to make pitches and starting hitters off with a strike and then working from there and keeping the off-speed pitches low."

Daric Barton drew a leadoff walk in the eighth and Luke Hughes struck out before Matt Thornton relieved Floyd (1-3). Suzuki doubled to left and Barton scored easily, then Eric Sogard added an RBI single as the A's ended a 16-inning scoreless stretch going back to Sunday's 5-1 victory against Cleveland.

"I don't know how many innings it was we didn't score. It felt like 100," A's manager Bob Melvin said.

Chicago's stellar pitching produced yet another strong outing on a road trip full of them, but the White Sox had their four-game winning streak snapped along with a six-game road winning streak.

A night after Jake Peavy pitched a three-hitter in a 4-0 White Sox win Monday -- Oakland's fourth time being blanked -- Floyd did his part. On Saturday in Seattle, Phil Humber pitched a perfect game in a 4-0 win over the Mariners.

Milone (3-1) matched Floyd all night until Oakland's offense finally capitalized. The A's did plenty on defense to back Floyd, turning double plays and throwing out Chicago's Brent Morel on a steal attempt in the eighth after he hit a two-out single.

"Against that lineup, pretty spectacular," Melvin said of Milone.

Milone, acquired in the winter trade that sent All-Star Gio Gonzalez to Washington, allowed three hits over eight efficient innings, struck out five and didn't walk a batter in a 98-pitch outing. Grant Balfour finished the four-hit shutout, Oakland's fourth, for his fifth save in as many tries in a game that went 2 hours, 27 minutes.

"It's obviously something I want to do. I want to finish the game," Milone said. "There's not any rush to get me out there and pitch over the pitch count."

Floyd, who came in with a 3-1 record and 2.35 ERA with 35 strikeouts in his previous seven career starts against the A's, allowed two hits and one run, struck out six and walked two in 7 1/3 innings.

"He pitched great. It's tough to pitch like that and get a loss. This one stings because your guy pitches such a good game and we couldn't do much on the offensive side," White Sox manager Robin Ventura said. "Their guy pitched a little better. He kept us off balance and we couldn't get anything going off him."

The White Sox were trying for their longest road winning streak since a seven-gamer from Aug. 30 to Sept. 6, 2010. Still, Chicago's 7-2 start away from home was the club's best since winning 10 of its first 12 on the road in 2005.

Chicago's Alex Rios went 0 for 3 and had his 11-game hitting streak snapped, with Adam Dunn pinch-hitting for him in the ninth. Dunn struck out swinging to end it.

"I thought I was going to hit but if he thinks Adam is better there, let's go for it. We're trying to win ball games," Rios said.

A's left fielder Coco Crisp was held out of the lineup after he still experienced symptoms of his recent illness after playing all nine innings Monday following five games out because of a bug and inner ear issue. Melvin said Crisp will rest through Thursday's off day and perhaps be ready Friday at Baltimore.

Game notes

Humber, who pitched the 21st perfect game in major league history Saturday at Seattle, flew home Tuesday morning to be with his wife before the birth of their first child. Humber -- claimed off waivers from the A's on Jan. 18, 2011, is set to pitch Thursday at home versus Boston. ... Jarrod Parker, who grew up in Indiana as a Chicago fan, makes his A's debut in Wednesday afternoon's series finale. "I grew up a White Sox fan, so it's going to be cool," he said. ... Oakland SS Cliff Pennington and C Suzuki each had the night off, before Suzuki entered to pinch hit in the eighth and stayed in behind the plate. ... A's owner Lew Wolff watched batting practice from the field and confirmed Barry Bonds' trial lawyer, Allen Ruby, is now on the legal team for the club's efforts to build a new ballpark in San Jose.