sentences:  With Kane County he improved both his win–loss ratio to a 2–1 and his ERA to 2.27.The 2004 season was less consistent for Burton, splitting time between two of the Athletics farm teams, the Arizona League Athletics (AZL Athletics) (Rookie League) and the Modesto A's (Single-A).Burton had a 1–0 record and a 4.16 ERA with the AZL Athletics.