Yes, Nate McLouth of the Braves currently wears No. 13 for the Braves.
Dale Murphy's jersey number 3 was retired by the Atlanta Braves on June 13, 1994.
Who has worn number 20 for the Braves
Tom Whelan debuted on August 13, 1920, playing for the Boston Braves at Braves Field; he played his final game on August 13, 1920, playing for the Boston Braves at Braves Field.
Alex Wood is number 40 on the Atlanta Braves.
Andrelton Simmons is number 19 on the Atlanta Braves.
B.J. Upton is number 2 on the Atlanta Braves.
Brandon Beachy is number 37 on the Atlanta Braves.
Chris Johnson is number 23 on the Atlanta Braves.
Christian Bethancourt is number 25 on the Atlanta Braves.
Dan Uggla is number 26 on the Atlanta Braves.
David Carpenter is number 48 on the Atlanta Braves.
David Hale is number 57 on the Atlanta Braves.