ATLANTA -- Ian Anderson dazzled in his big league debut, holding the Yankees hitless into the sixth inning and ending Gerrit Cole's 20-game winning streak as the Atlanta Braves beat New York 5-1 Wednesday to open a doubleheader.
Ronald Acuna Jr. celebrated his return to the lineup by leading off with a 473-foot drive against Cole.
Anderson (1-0) gave a depleted Atlanta rotation a huge boost. The 22-year-old right-hander, the overall third pick in the 2016 draft, didn't allow a hit until Luke Voit connected for his team-leading 11th homer with one out in the sixth.
That was the only hit Anderson allowed in six innings. He struck out six and walked two before Shane Greene closed in the seventh.
Anderson was promoted to the majors on Tuesday before his scheduled debut was postponed because of rain.
Cole was trying to become the first AL pitcher to win 21 straight regular-season decisions. The all-time record is 24 by Carl Hubbell, followed by Roy Face (22) and Cole, Roger Clemens, Jake Arrieta and Rube Marquard tied at 20.
Cole had been unbeaten in 28 consecutive regular-season starts -- Clemens holds the mark with 30. Cole's only loss in 15 months had come in the World Series opener last year with Houston against Washington.
The Yankees newcomer gave up five runs on five hits with nine strikeouts in five-plus innings. He was lifted after giving up a double to Freddie Freeman and a walk to Ozuna with no outs in the sixth. Nick Markakis hit an RBI double off Luis Cessa.
Acuna pulled a 97 mph fastball into the left-field seats to open the first. It was Acuna's longest homer and the longest by any Braves batter at Truist Park, which opened in 2017.
Swanson hit a two-run homer after Cole walked Acuna in the third inning. With two outs in the inning, Ozuna crushed his eighth homer 469 feet to left-center.
The Yankees were playing the first of three doubleheaders in five days. They play twinbills at Yankee Stadium against the Mets on Friday and Sunday. The Mets will be the designated home team in the second game of each doubleheader, with the Yankees hitting first, as they are makeup games originally planned for the Mets' Citi Field.
The Yankees acquired catcher Rob Brantly from the San Francisco Giants for $1. Brantly was designated for assignment on July 28 and assigned to the Giants' alternate site on Aug. 1. He will report to the Yankees' alternate site.
Manager Aaron Boone said the 31-year-old Brantly, a career .228 hitter in six seasons, "gives us some protection as we head into the trade deadline" on Monday.
Yankees: Boone said OF Aaron Judge (strained right calf) would start in the second game after being activated from the injured list on Tuesday.
Braves: The outfield received a boost with the returns of Acuna Jr. (wrist) and Markakis (possible exposure to COVID-19). Acuna missed two weeks.
Yankees: Following an off day on Thursday, the Yankees begin an eight-game homestand when LHP Jordan Montgomery (2-1, 4.66) faces the Mets in a doubleheader on Friday. Following one game on Saturday, the New York teams are scheduled to play another doubleheader on Sunday.
Braves: Atlanta, also off on Thursday, opens a three-game series at Philadelphia on Friday night when LHP Robbie Erlin makes his third start. He allowed two runs in four innings of a 6-5 win over the Phillies on Saturday.
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