Anthony Lerew pitched six effective in achieving his first major league win and Billy Butler drove in two runs for the Kansas City Royals on Monday defeated 3-1 Chicago White Sox .

The White Sox lost their second straight game after a run of 11 straight games won . It is their third defeat in 18 games.

Lerew (1-1), a right-handed rookie who was in his eighth major league start and 17th in total submission , allowed one run and three hits, struck out four and walked one batter.

Chicago’s Mark Buehrle , who was 4-0 with an ERA of 1.29 ERA in interleague games , lost for the first time since June 1st. Buehrle (6-7 ) allowed three runs on 10 hits and five walks , his most in the season, in six innings .

Reliever Victor Mars, his compatriot Robinson Tejeda and Joakim Soria , who earned his 19 save in 21 chances , worked to preserve the advantage Lerew with three scoreless .

For the White Sox, Omar Vizquel 4-0. Alex Rios 4-1 . The Cuban Alexei Ramirez 4-0 Red Sox vs. White Sox Tickets.