If not a monopoly player, it's a near-monopoly, controlling more than 75% of concert ticket sales at major venues in the US, ...

Baltimore Orioles (26-37, fifth in the AL East) vs. Athletics (25-41, fifth in the AL West) ...

San Diego Padres (36-27, second in the NL West) vs. Milwaukee Brewers (35-30, third in the NL Central) ...