Even though Mario ran only 15 of the 25 races in 2009 , according to NASCAR rules it is considered full - time .
From 2008 - 2012 ( full - time in ' 09 & ' 10 ) Mario Gosslelin ran the 12 truck .
Even though Mario Gosslelin ran only 15 of the 25 races in 2009 , according to NASCAR rules it is considered full - time .
From 2008 - 2012 ( full - time in ' 09 & ' 10 ) Mario Gosslelin ran the 12 truck .