Arcidiacono recorded eight points (2-13 FG, 1-8 3Pt, 3-4 FT), 15 assists and six rebounds during Tuesday's 104-93 loss to visiting Grand Rapids.
Arcidiacono produced 15 points (5-8 FG, 3-4 3Pt, 2-3 FT), 11 rebounds and 11 assists during Wednesday's 118-112 win over Delaware.
Arcidiacono was assigned to the G League's Windy City Bulls and is playing for the club Wednesday against the Delaware 87ers.
Arcidiacono will not be the team's backup point guard during Saturday's game against the Spurs, K.C. Johnson of the Chicago Tribune reports.
Arcidiacono will open the season as the Bulls' backup point guard, Bulls writer Sean Highkin reports.
Arcidiacono signed a two-way contract with the Bulls on Monday, CSN Philadelphia reports.