You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "What is the name of the closer who is MLB's career leader in saves who retired after the 2013 New York Yankees Season?" whose answer is Mariano Rivera.
Each document should contain about 30 words, and these documents should contain useful information.

Query: career leader in MLB saves
Useful Output:

Doc 1: 1. Mariano Rivera, 652 · 2. Trevor Hoffman, 601 · 3. Lee Smith, 478 · 4. Francisco Rodriguez, 437 · 5. John Franco, 424 · 6. Billy Wagner, 422 · 7. x-
Doc 2: Discover the current NCAA Division I Baseball leaders in every stats category, as well as historic leaders.
Doc 3: Career Save Leaders · 1. Mariano Rivera, 652 · 2. Trevor Hoffman, 601 · 3. Lee Smith, 478 · 4. Francisco Rodriguez, 437 · 5. x-Kenley Jansen, 425 · 6.
Doc 4: Look for your favorite MLB pitcher in this impressive list of baseball's top 500 career pitching leaders.
Doc 5: Every MLB Team's All-Time Saves Leader ; 1. New York Yankees, Mariano Rivera ; 2. San Diego Padres, Trevor Hoffman ; 3. Los Angeles Dodgers, Kenley