Baseball History · On This Day On This Day: May 15 Posted on May 15, 2019 by Baseballia 1981 Len Barker pitches the ninth perfect game in the 20th century. The Indians righty hurls the 3-0 perfecto over the Blue Jays before just 7,290 fans on a rainy night in Cleveland. Barker, the 1980 strikeout leader in the A.L., fans 11 Jays.