He will face left - hander C.J. Wilson , who left Texas as a free agent in the offseason .
New acquisition Ryan Dempster will take the mound for the Rangers on Thursday night as they look to split the series against their rivals .
Ryan Dempster will face left - hander C.J. Wilson , who left Rangers as a free agent in the offseason .
New acquisition Ryan Dempster will take the mound for the Rangers on Thursday night as they look to split the series against their rivals .