The Packers put Ringo on their practice squad at the start of 2015 .
Ringo left UL as its single - season sacks record - holder ( 11.5 in 2014 ) and tied with Jeff Mitchell as its all - time sacks leader with 21 .
The Packers put Ringo , who left UL as its single - season sacks record - holder ( 11.5 in 2014 ) and tied with Jeff Mitchell as its all - time sacks leader with 21 , on their practice squad at the start of 2015 .