Through Guerra's career he suffered from a recurring hamstring injury which kept him from playing in the 2012 Grand Final. Guerra played for Deer Park in the Western Region Football League, from October 2013 till November 2013. He won a premiership with Deer Park in October 2014. Guerra also made a guest stint in three games for Devonport in the Tasmanian Football League in 2014. In his final year as a player, Guerra completed a Level 2 coaching accreditation course and a diploma of management. Shortly after retiring from playing, Guerra was appointed a part-time development coach at the Hawks in November 2013. On 19 September 2014, Guerra joined Chelsea in the Mornington Peninsula Nepean Football League as player-coach. Prior to the 2016 season, he was appointed as a development coach with Fremantle. He departed from his role as development coach at the end of the 2019 season, after not being offered a new contract. Guerra experienced male pattern balding at a young age and made headlines in late 2005 when he underwent a hair transplant cosmetic surgery procedure. He has said that the operation gave him confidence both on and off the field. Guerra has a brother, Luke, who currently plays with Deer Park in the Western Region Football League. Since retirement Guerra has revealed that he struggled with a gambling addiction whilst he was a professional footballer, a habit which cost him $400,000.  ! scope="row" style="text-align:center" | 2000 ! scope="row" style="text-align:center" | 2001 ! scope="row" style="text-align:center" | 2002 ! scope="row" style="text-align:center" | 2003 ! scope="row" style="text-align:center" | 2004 ! scope="row" style="text-align:center" | 2005 ! scope="row" style="text-align:center" | 2006 ! scope="row" style="text-align:center" | 2007 ! scope="row" style="text-align:center;" | 2008 ! scope="row" style="text-align:center" | 2009 ! scope="row" style="text-align:center" | 2010 ! scope="row" style="text-align:center" | 2011 ! scope="row" style="text-align:center" | 2012 ! scope="row" style="text-align:center;" | 2013 ! colspan=3| Career ! 255 ! 108 ! 68 ! 2515 ! 1275 ! 3790 ! 1059 ! 576 ! 0.4 ! 0.3 ! 9.9 ! 5.0 ! 14.9 ! 4.2 ! 2.3