Coach Chip Kelly and the 49ers used the first day of free agency to reach a contract agreement with a quarterback.
The 49ers agreed to terms on a one-year contract with Thad Lewis, a league source confirmed to CSNBayArea.com.
Lewis is familiar with Kelly’s system after signing with the Philadelphia Eagles on Sept. 21. He did not appear in any games.
[MAIOCCO: Broncos GM Elway: 'I've always liked Colin']
Lewis becomes the fourth quarterback the 49ers have under contract, joining Blaine Gabbert, Colin Kaepernick and Dylan Thompson.
Lewis, 28, has not seen action in an NFL regular-season game since 2013, when he completed 93 of 157 attempts (59.