He appeared in 52 games and had a 3.55 ERA , 20 saves and 56 strikeouts over 66 innings .
Wittgren returned to Jacksonville in 2014 .
Wittgren appeared in 52 games and had a 3.55 ERA , 20 saves and 56 strikeouts over 66 innings .
Wittgren returned to Jacksonville in 2014 .