MLS growth reflected by players' salaries - AS USA
MLS player salary release illustrates gains of the middle-class
An attempt to learn MLS salary cap rules vis-a-vis Austin FC's 2022 roster : r/AustinFC
Top 20 Highest-Paid MLB Players: Salary Rankings
MLS player salaries: Toronto FC spends the most, Shaqiri is highest earner, more notes - The Athletic
Visualizing MLS Salaries Compared to Other U.S. Leagues — American Soccer Analysis
Highest paid EPL player for every season since 1992. Wages adjusted for inflation. : r/soccer
Percentage of each team's 2023 payroll allocated to most expensive player, via Spotrac : r/baseball
MLS Players Association Releases 2021 Salary Guide
Highest paid MLS players 2022
Breaking down the list of salaries for the 2022 Portland Timbers
Breaking down FC Cincinnati's salary numbers for the 2023 season
2021 Philadelphia Union player salaries as of April 15
CBA Talk: Comparing MLS Player Salaries to Leagues Around the World — American Soccer Analysis