 In January 2015 , Alice in Chains performed in the halftime show of the NFC Championship game between the Seattle Seahawks and the Green Bay Packers at CenturyLink Field in Seattle . Cantrell is a lifelong Seahawks fan and often attends their games . 
 In January 2015 , Alice in Chains performed in the halftime show of the NFC Championship game between the Seattle Seahawks and the Green Bay Packers at CenturyLink Field in Seattle . Cantrell <a href='drop_aux' title='1'><mark>is</mark></a>a lifelong Seahawks fan and often <a href='uninflect' title='2'><mark>attends</mark></a> their games . 
In January 2015 , Alice in Chains performed in the halftime show of the NFC Championship game between da Seattle Seahawks and tdaGreen Bay Packers at CenturyLink Field in Seattle . Cantrell a lifelong Seahawks fan and often attend their games .