(Santa Clara, CA)  --  The 49ers are locking up starting quarterback Colin Kaepernick long term.  The two sides have agreed to a six-year contract extension through 2020.  The deal is reportedly worth up to 126-million-dollars, with a record 61-million guaranteed.  The 26-year-old has thrown for more than five-thousand yards with 31 touchdowns and just 11 interceptions in three seasons with San Francisco.