Mavericks rookie Dennis Smith Jr., center, drives between Chicago Bulls Bobby Portis (5) and Lauri Markkanen during the first half of Friday’s game in Chicago.
Mavericks rookie Dennis Smith Jr., center, drives between Chicago Bulls Bobby Portis (5) and Lauri Markkanen during the first half of Friday’s game in Chicago. Charles Rex Arbogast AP
Mavericks rookie Dennis Smith Jr., center, drives between Chicago Bulls Bobby Portis (5) and Lauri Markkanen during the first half of Friday’s game in Chicago. Charles Rex Arbogast AP

Portis leads late-game surge as Bulls squeeze past Mavs

March 02, 2018 10:15 PM