Although the Lakers agreed to terms with Harris in July, the paperwork wasn't finalized until Wednesday.
Harris played in five games for the Lakers' summer league squad in Las Vegas, averaging 10.2 points on 44.7% shooting.
Harris will make $490,180 in the first year of his deal, although only an undisclosed amount is guaranteed. His second year is at $816,482 and that is believed to be non-guaranteed.
The Lakers are also expected to sign rookie forward
Reports have also linked the Lakers' interest in
The Lakers are expected to bring 16 to 20 players to training camp. They can start the regular season with up to 15 players under contract, although 14 may be a more realistic number.