To Watch Tonight

What to watch while bidding on a potato ...
• Swimming: U.S. Olympic trials, at Omaha (8 p.m., ET). Katie Hoff > Aquaman. [USA]
• MLB: Mets at Cardinals (8:15 p.m., ET). What fresh Hell for Mets' fans now? [SNY] [FSN]
• MLB: Red Sox at Rays (7:10 p.m., ET). Joe Maddon controls space and time. [NESN] [FSN]