The Twins beat the Red Sox, 4 – 2, taking advantage of Boston wildness. The Red Sox throw six wild pitches, tying the modern major league record. Daisuke Matsuzakathrows four, the first Red Sox hurler to do so since Milt Gaston in 1929.

On May 27, 2009 — The Twins beat the Red Sox, 4 – 2, taking advantage of Boston wildness. The Red Sox throw six wild pitches, tying the modern major league record. Daisuke Matsuzakathrows four, the first Red Sox hurler to do so since Milt Gaston in 1929.

Source:
Baseball Reference May 27