The Explosion's website is reporting:

Some of you may have heard the rumors already, but Sam Cave has left the Explosion (again). There aren't any hard feelings or bad vibes though, Sam is still our bro and will always be a tarantula. He let us know a while ago that his heart just wasn't in it anymore and that he'd like to pursue other things. Now you can all bug him about that Trouble reunion show!! Our good friend Chris Gonzales (formerly of New Jersey rockers, Let It Burn) has taken his place for all the touring that we have coming up and after the last week of practice with him, I'm very stoked he's with us. Shit is sounding tiiight!

The band recently announced its touring schedule for the new year with bands like Most Precious Blood, Rise Against, Strung Out and Death By Stereo.