As several of the Los Angeles mayoral candidates engage in the second debate on Tuesday night, a local sports magnate has donated the maximum amount to her chosen candidate. Jeanie Buss — the former Los Angeles Lakers owner who sold a majority stake in the team for a record $10 billion last June — has donated the maximum amount — $1,800 — to Spencer Pratt. The donation was uncovered by X user @UnrigLA , revealing part of a Contribution Report from Pratt’s campaign that showed Buss’ contribution highlighted. Jeanie Buss — the former Los Angeles Lakers owner who sold a majority stake in the team for a record $10 billion last June — has donated the maximum amount to Spencer Pratt. John Salangsang/Shutterstock The news comes just days after it was reported that the former reality star from Laguna Beach and The Hills and crystal shop proprietor is making huge strides with fundraising. Getty Images for Feld Entertainment, Inc.…