SAN ANTONIO -- The San Antonio Spurs announced on Thursday that they have signed free agent Rio Grande Valley Vipers player Desmon Farmer.

Per team policy, terms of the deals were not disclosed.

Farmer, a 6-5 guard, spent last season playing for the McAllen-based Vipers in the NBA Development League.

He appeared in 33 games, averaging 24.7 points (ranked second in the D-League), 4.1 rebounds and 4.1 assists in 38.3 minutes.

He shot .473 (260-550) from the field, .418 (89-213) from three-point range and .840 (205-244) from the line.

The former USC Trojan started 2006-07 season with the Seattle Sonics seeing action in eight games and averaging 1.6 points and 1.1 assists in 4.0 minutes before being waived in January.

Farmer spent the rest of the season with the Tulsa 66ers of the D-League, averaging 19.9 points, 3.9 rebounds and 2.7 assists in 32.8 minutes in 32 games.

He spent all of the 2005-06 season with the 66ers. For his career Farmer has played in 88 D-League games, averaging 16.3 points, 3.4 rebounds and 2.2 assists in 29.8 minutes.

In four seasons with the Trojans, Farmer averaged 13.3 points, 3.8 rebounds and 1.6 assists in 121 games.

The San Antonio roster now stands at 17, if Farmer doesn’t make the team, it is expected the Spurs will try to sign him to their D-League affiliate, the Austin Toros.