The injury occurred in the Bucks' 121-119 road win over the Oklahoma City Thunder on Sunday night, as Middleton took a knee to the thigh. He finished with 10 points on the night before going down with the injury. Middleton underwent an MRI and further testing on Monday, which revealed the severity of the injury.
The 28-year-old has averaged 18.5 points, 5.7 rebounds, and 2.9 assists per game this season, ranking him as the team's second-leading scorer. He made the All-Star team for the first time last season, leading the Bucks to the Eastern Conference Finals by averaging 18.3 points, six rebounds, and 4.3 assists per game. Milwaukee is an early-season favorite to represent the Eastern Conference in the NBA Finals, but their early 7-3 record trails the Boston Celtics, as they are tied with the Toronto Raptors. They will turn to the likes of Kyle Korver, Wesley Matthews, and George Hill for more offensive contribution as they move on as soon as Thursday night at home against the Chicago Bulls.