[12] The Bulls finalized its training camp roster with the additions of Kim English, Ben Hansbrough, and Solomon Jones on September 26.
[15] On the same day, the Bulls acquired the draft rights to Tadija Dragićević from the Dallas Mavericks, who received Greg Smith.
[21] On August 8, Guy Rodgers, who spent one season with the Bulls, was posthumously inducted into the Naismith Memorial Basketball Hall of Fame.
[40] WGN America, WGN-TV's superstation feed, announced it would discontinue its national simulcasts of Bulls games in December 2014 as part of a gradual format change.
On October 6, Chicago would begin its preseason in the United Center against the Washington Wizards, the very team that eliminated the Bulls in five games in the first round of the 2014 NBA Playoffs.
The Bulls barely managed to defeat the Hawks by a score of 85–84 after Butler drained a three-point buzzer beater at the end of the game.
[93] The next day, Chicago met up with divisional opponent, the Cleveland Cavaliers, who saw the return of LeBron James, and would play at the Schottenstein Center in Columbus, Ohio.
[97] In its last preseason game, Chicago played the Minnesota Timberwolves on October 24 at the Scottrade Center in St. Louis, Missouri.
[107] On October 1, Bleacher Report released an article stating that Rose and Butler were ranked number five as one of the best backcourts for the 2014–15 season.
[112] On September 30, ESPN sportswriter Brian Windhorst cited several long-term problems with the Chicago Bulls with age and injury being a big issue.
[120] On October 31, before their Halloween game, the Bulls were unable to deal a new contract with Butler before the deadline, which would make him a restricted free agent during the 2015 off-season.
[125] In the last second of the game, the Bulls were down by one when Butler was fouled by Andrew Wiggins and made both free throws to take the lead and win by a score of 106–105.
[129] In their fifth game of the regular season, the Bulls defeated the Milwaukee Bucks at the BMO Harris Bradley Center by a score of 95–86.
[131] Rose's ankle injury would result in the cover of the November 5 edition of the Chicago Sun-Times calling him "Damaged goods".
[133] On November 7, with Rose on the inactive list, Dunleavy would lead the way for the Bulls to defeat the Philadelphia 76ers by a score of 118–115 at the Wells Fargo Center.
[136] After facing difficulties with his ankles, Rose returned to action on November 10 and helped the Bulls defeat the Detroit Pistons by a score of 102–91.
"[142] On November 14, it was reported by CBS Sports that Rose suffered a mild strain and that an MRI was unnecessary, calling it a day-to-day injury.
[143] The Bulls–Pacers rivalry would continue in Chicago's final home game of the month on November 15, as it was defeated by the injury-stricken Indiana Pacers, even though Butler scored a career-high 32 points.
[150] The next day, Business Insider called Rose's contract with the Bulls "a nightmare" for the organization, mentioning that he had only played in five of the first 12 games of the season and that he's being paid the most money on the team.
[157] In a report by CBS Sports, it was said that the Bulls were one of seven teams interested in shooting guard Ray Allen, who averaged 9.6 points per game with the Miami Heat in the 2013–14 season.
[177] Led by Rose's 31 points, Chicago would defeat the Portland Trail Blazers to even and close the season series against each other.
[183] The next day, Chicago would end the Memphis Grizzlies' six-game winning streak with Butler scoring his fourth 30-point game of the season.
[185] In the fourth week of December, the Bulls would defeat the then-Eastern Conference leader, the Toronto Raptors, by a score of 129–120 at home.
[198] After a moment of silence for ESPN sportscaster Stuart Scott, who died on January 4 from cancer, the Bulls would defeat the Houston Rockets.
[210] On January 23, the Bulls would top the other Texan team in Dallas aided by the 40 points that the backcourt duo of Rose and Butler put up.
[213] On January 27, the Bulls would miraculously defeat the Warriors with Rose's game-winning field goal with seven seconds left in overtime.
[215] The Bulls would have home-court advantage in the First Round when playing the sixth-seeded Milwaukee Bucks and would lose it when the Cavaliers (Chicago's Conference semifinals opponent) defeated the seventh-seeded Boston Celtics.
[218] The second game of the series would get physical as seven technical fouls were called and Bucks player Zaza Pachulia would be ejected.
[223] After defeating the Milwaukee Bucks, the Bulls would face another divisional rival, the Cleveland Cavaliers, in what was regarded as a marquee match-up.
[228] On May 6, it was reported that Jimmy Butler won the NBA Most Improved Player Award thus becoming the first Bull in franchise history to win it.