Updated

Adam Dunn hit a grand slam and a two-run shot off Bruce Chen, leading the Chicago White Sox to a 16-4 victory over a Kansas City Royals split squad Thursday.

Chen allowed 10 runs and 10 hits in 4 1-3 innings. He struck out three and walked one.

A.J. Pierzynski also homered off Chen in the fifth inning.

Billy Butler hit his third home run of the spring in the fourth, a solo shot off White Sox starter Zach Stewart in the fourth inning.