McCallum tallied 16 points (8-16 FG, 0-1 3Pt), nine assists and six rebounds over 40 minutes in Monday's 110-95 loss to Lakeland.
McCallum posted 14 points (5-11 FG, 2-4 3Pt, 1-1 FT), four rebounds, four assists, one steal and one block over 18 minutes in Wednesday's 120-118 win over the Blue.
McCallum tallied 11 points (3-8 FG, 1-4 3Pt, 2-2 FT), three assists, two rebounds and one steal over 22 minutes in Thursday's 104-103 win over Iowa.
McCallum agreed Wednesday to a contract with CB Breogan of the Spanish League, Eurohoops.net reports.
McCallum (groin) registered 16 points (4-10 FG, 0-2 3Pt, 8-8 FT), two rebounds, one assist and one steal in the 115-105 win Tuesday over the Swarm.
McCallum exploded for 19 points (7-9 FG, 0-1 3Pt, 5-6 FT), four assists, three rebounds and a steal in the win Tuesday over Austin.
McCallum signed a one-year with Unicaja Malaga in Spain, The EuroLeague's official website reports.
McCallum will sign a free-agent contract with the Rockets, Johnathan Feigen of the Houston Chronicle reports.
McCallum's second 10-day contract with the Hornets expired Friday, MLive.com's Aaron McMann reports.
McCallum signed a second 10-day contract Monday with the Hornets.