Justise Winslow made 5-of-15 from the field and 7-of-10 from the line for 17 points against the Pistons on Monday, adding four rebounds, one assist and one turnover.
Henry Walker (ankle) will not play against the Pistons on Monday.
Shabazz Napier (hernia) will not play on Monday.
Tyler Johnson converted a lob at the buzzer to win Sunday's game for the Heat, finishing with 12 points, one 3-pointer, four rebounds and four assists in 25 minutes.
Heat rookie Justise Winslow posted 14 points, five boards, four assists, two steals and five turnovers in a team-high 31 minutes of action on Sunday.
Henry Walker (ankle) will miss Sunday's game as a precaution.
Shabazz Napier (hernia surgery) will miss his second straight Summer League game on Sunday.
Henry Walker wasn't available to play for the Heat on Saturday due to an ankle issue.
Josh Richardson was aggressive in his first game at the Orlando Summer league, notching 14 points on 2-of-6 shooting with three boards, two steals, two blocks and one 3-pointer in 22 minutes.
James Ennis played well vs. the Pacers on Saturday, scoring 13 points with seven boards, five assists, one steal and one 3-pointer in just 22 minutes of action.
Justise Winslow scored 15 points in his Orlando Summer League debut win vs. the Pacers on Saturday, adding three assists, two steals and one 3-pointer in 26 minutes.
Hassan Whiteside said he's going to work on his midrange jumper and use it more next season.
Tyler Johnson has been focusing on point guard at summer league.
Justise Winslow said on Friday he will work almost exclusively at shooting guard and small forward during summer league.
Heat sign F Justise Winslow.