Lester Paul Straker Bolnalda (born October 10, 1959) is a former professional baseball right-handed starting pitcher.

A ten-year minor leaguer, Straker went all the way to the 1987 World Series in his rookie year.

As a young prospect, Straker was released by the Cincinnati Reds and Oakland Athletics.

He made his major league debut with the Twins as their number-three starter behind Frank Viola and Bert Blyleven.

In his two-season, 47-game career, Straker had a record of 10–15, with 99 strikeouts, one shutout, one save, and a 4.22 earned run average.