Smith posted 10 points (4-5 FG, 1-2 3Pt, 1-2 FT), two rebounds and two blocks in eight minutes during Friday's 116-94 loss to the Knicks.
Smith won't start Wednesday's regular-season opener against the 76ers.
Smith posted seven points (3-9 FG, 1-4 3Pt) and 10 rebounds across 17 minutes in Thursday's 109-84 preseason loss to the Mavericks.
Smith is in the starting lineup for Thursday's preseason game against the Mavericks.
Smith signed a four-year, $7.9 million contract with the Bucks on Friday, Michael Scotto of USA Today reports.