The Milwaukee Bucks flew out to Indianapolis today ahead of Game 3 of their Eastern Conference playoff series against the Indiana Pacers. Before flying out, Milwaukee got a practice in with multiple key players missing, including All-Star forward Khris Middleton.

The Bucks' third-leading scorer exited Game 2 Tuesday night with a right ankle injury. Bucks head coach Doc Rivers said after today's practice "there's a little [concern] for sure. It's another holding our breath situation. So, honestly, I don't know."

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The Bucks listed Middleton as 'doubtful' for Game 3 in their injury report to the NBA today with a right ankle sprain.

Middleton injured his ankle after stepping on Pacers forward Pascal Siakam's foot. He went to the locker room, got his ankle re-taped, and returned to the court. He finished the game with 15 points in 36 minutes.

Milwaukee is already operating without two-time MVP Giannis Antetokounmpo who missed the first two games of the series. The Bucks' latest injury report lists his injury as a left soleus strain and he practiced in a limited role today.

"[Antetokounmpo] did a lot of floor stuff today, probably the most I've seen," Rivers said.

Game 3 of the Bucks-Pacers series tips off tomorrow night a 6:30 p.m. ET with the series tied 1-1.

This article originally appeared on USA TODAY: Khris Middleton injury update: Bucks star doubtful after missed practice