September 30, 2023 due to an increase in the number of regular season home games during 2023. Broadcasting revenue increased $2.4 million during the three months ended September 30, 2023, as compared to the corresponding period in the prior year, primarily due to contractual rate increases, partially offset by a decrease in the number of regular season games. Broadcasting revenue increased $8.1 million during the nine months ended September 30, 2023, as compared to the corresponding period in the prior year, primarily due to contractual rate increases and an increase in the number of regular season games. Retail and licensing revenue increased $3.3 million and $5.8 million during the three and nine months ended September 30, 2023, respectively, as compared to the corresponding periods in the prior year, due to increased attendance at regular season home games and demand for City Connect and other apparel, partially offset by a reduction in demand for World Series Champions apparel. Other revenue, a component of baseball revenue, decreased $6.6 million during the three months ended September 30, 2023, as compared to the corresponding period in the prior year, primarily due to fewer concerts at the Stadium. Other revenue decreased $6.4 million during the nine months ended September 30, 2023, as compared to the corresponding period in the prior year, primarily due to fewer concerts at the Stadium, partially offset by a $3.8 million increase in spring training related revenue (ticket sales, concession revenue and other gameday related revenue), driven by a six game increase in spring training home games, and revenue from additional special events at Truist Park. The Braves have a long term local television broadcasting agreement with Sportsouth Network II, LLC. Diamond Sports Group, the parent company of Sportsouth Network II, LLC, is in financial distress and has filed for chapter 11 protection. While the pending bankruptcy proceeding of Diamond Sports Group has not previously had a material unfavorable impact on the Company’s revenue and the Company continues to receive scheduled payments from Diamond Sports Group, we cannot currently predict whether such bankruptcy proceeding is reasonably likely to have a material unfavorable impact on our revenue in the future.
Mixed-Use Development revenue. Mixed-Use Development revenue is derived from the mixed-use facilities and primarily includes rental income and to a lesser extent, parking revenue and sponsorships. For the three and nine months ended September 30, 2023, Mixed-Use Development revenue increased $1.4 million and $4.9 million, respectively, as compared to the corresponding periods in the prior year, primarily due to $1.0 million and $3.6 million increases in rental income, respectively, and $0.2 million and $0.7 million increases in sponsorship revenue, respectively. Increases in rental income for the three and nine months ended September 30, 2023, were primarily driven by $0.5 million and $2.2 million increases in tenant recoveries, respectively, and $0.4 million and $1.2 million increases primarily related to new lease agreements, respectively.
Baseball operating costs. Baseball operating costs primarily include costs associated with baseball and Stadium operations. For the three and nine months ended September 30, 2023, baseball operating expenses increased $4.0 million and $40.4 million, respectively, as compared to the corresponding periods in the prior year, primarily due to $9.8 million and $23.0 million increases in major league player salaries, respectively and $1.9 million and $4.2 million increases in minor league team and player expenses, respectively, partially offset by $2.8 million and $5.3 million decreases in concert expenses at the Stadium, respectively. Additional decreases in baseball operating costs during the three months ended September 30, 2023 were due to $3.7 million decreases under MLB’s revenue sharing plan, as well as other shared expenses. Additional increases in baseball operating costs during the nine months ended September 30, 2023, were due to $4.7 million of increases in variable concession and retail operating costs, $3.5 million of increases under MLB’s revenue sharing plan and other shared expenses, $3.6 million of increases in major league team expenses and $2.9 million of increased spring training related expenses (facility and game day operations, travel, and other variable expenses) due to the impact of additional games in 2023.
Mixed-Use Development costs. Mixed-Use Development costs primarily include costs associated with maintaining and operating the mixed-use facilities. During the three and nine months ended September 30, 2023, Mixed-Use Development costs were relatively flat, as compared to the corresponding periods in the prior year.
Selling, general and administrative, excluding stock-based compensation. Selling, general and administrative expense includes costs of marketing, advertising, finance and related personnel costs. Selling, general and administrative expense increased $6.4 million and $11.2 million for the three and nine months ended September 30, 2023, respectively, as compared to the corresponding periods in the prior year. The increases for the three and nine months ended September 30, 2023 was primarily driven by costs related to the Split-off.