At Fenway Park, the 9th-place Yankees lose again, 3 – 2, when Carl Yastrzemski outhits a hobbling Mickey Mantle. Yaz hits a pair of homers and a sacrifice fly, while Mantle is 3 for 4 with a homer. After Mantle doubles with two outs in the 9th, starter Jim Lonborg is lifted and Dick Radatz gets the final out. It is Lonborg’s first major league win.

On May 10, 1965 — At Fenway Park, the 9th-place Yankees lose again, 3 – 2, when Carl Yastrzemski outhits a hobbling Mickey Mantle. Yaz hits a pair of homers and a sacrifice fly, while Mantle is 3 for 4 with a homer. After Mantle doubles with two outs in the 9th, starter Jim Lonborg is lifted and Dick Radatz gets the final out. It is Lonborg’s first major league win.

Source:
Baseball Reference May 10