Joe Mather has elected free agency, according to MLB.com's transactions page. The Braves had designated the utility player for assignment on Sunday.
The 28-year-old had a .213/.272/.307 line in 83 plate appearances at various positions. Mather played all three outfield positions and both corner infield positions this year. The Cardinals selected him in the third round of the 2001 draft and he made it to St. Louis for parts of two seasons, 2008 and 2010. Mather has a career line of .228/.283/.384 with nine home runs in 294 plate appearances.