Sports

Cubs' Jake Arrieta is pitching no-hitter through 6 innings vs Red Sox at Fenway Park

  • Chicago Cubs starting pitcher Jake Arrieta delivers against the Boston Red Sox during the first inning of a baseball game at Fenway Park in Boston, Monday, June 30, 2014. (AP Photo/Charles Krupa)

    Chicago Cubs starting pitcher Jake Arrieta delivers against the Boston Red Sox during the first inning of a baseball game at Fenway Park in Boston, Monday, June 30, 2014. (AP Photo/Charles Krupa)  (The Associated Press)

  • Chicago Cubs starting pitcher Jake Arrieta delivers against the Boston Red Sox during the first inning of a baseball game at Fenway Park in Boston, Monday, June 30, 2014. (AP Photo/Charles Krupa)

    Chicago Cubs starting pitcher Jake Arrieta delivers against the Boston Red Sox during the first inning of a baseball game at Fenway Park in Boston, Monday, June 30, 2014. (AP Photo/Charles Krupa)  (The Associated Press)

Jake Arrieta of the Chicago Cubs is pitching a no-hitter through six innings against the Boston Red Sox at Fenway Park.

Arrieta has allowed only one runner, walking Mike Napoli in the fifth. The right-hander has thrown 90 pitches and struck out seven.

Arrieta took a perfect game into the seventh inning of his last start, on Tuesday at Wrigley Field against Cincinnati, before Billy Hamilton hit a leadoff single.

The Cubs lead Boston 2-0.