Madison Square Garden will host game three of the NBA Finals between the New York Knicks and the San Antonio Spurs on Monday. TIMOTHY A. CLARY / AFP via Getty Images Citi's head of sponsorship said he's seen an influx of requests for Knicks tickets. Tom Cerasoli said events like the NBA finals can help bankers secure client relationships. Measuring the value of each ticket to the firm is an "inexact science." Tom Cerasoli can measure Knicks mania by his inbox. The Knicks are back in the NBA fi