Jason Kidd and Dallas may have won the championship last year but they can’t rest on their laurels, especially in the Western Conference. In handing out his midseason grades, SI’s Britt Robson gave Kidd and the Mavs a B+ while Ricky Rubio’s Timberwolves received an A-. Find out the rest of the grades below. (David Sherman/Getty Images)
ROBSON: Grading the first half of NBA season | Midseason AwardsLOWE: San Antonio is streaking but key questions still persist

Jason Kidd and Dallas may have won the championship last year but they can’t rest on their laurels, especially in the Western Conference. In handing out his midseason grades, SI’s Britt Robson gave Kidd and the Mavs a B+ while Ricky Rubio’s Timberwolves received an A-. Find out the rest of the grades below. (David Sherman/Getty Images)

ROBSON: Grading the first half of NBA season | Midseason Awards
LOWE: San Antonio is streaking but key questions still persist