The Timberwolves converted Garza's two-way deal to a standard contract Thursday, Shams Charania of The Athletic reports.
Garza contributed eight points (3-5 FG, 2-4 3Pt) and one rebound over 11 minutes during Monday's 114-104 win over the Jazz.
Garza racked up nine points (2-5 FG, 1-3 3Pt, 4-4 FT), three rebounds and one assist in 10 minutes during Sunday's 120-109 loss to the Lakers.
Garza (back) is listed as questionable for Friday's game versus the Rockets due to back spasms.
Garza is listed as questionable for Wednesday's game against the Pelicans with low back spasms.
The Timberwolves transferred Garza from the G League's Iowa Wolves on Saturday.
Garza was transferred from the G League's Iowa Wolves to the NBA's Minnesota Timberwolves on Wednesday.
Minnesota transferred Garza to the NBA club from the G League's Iowa Wolves on Tuesday.
Garza tallied 37 points (14-21 FG, 3-5 3Pt, 6-9 FT), 13 rebounds, two assists and one block over 38 minutes in Friday's 125-117 win over Windy City.
Garza compiled 30 points (9-15 FG, 2-5 3Pt, 10-12 FT), four rebounds, three assists and a block across 32 minutes in Tuesday's 138-111 preseason win over Maccabi.