Indy 500 qualifying, NASCAR All-Star race, F1 at Imola and more...

The Verizon IndyCar Series returned to oval racing at Iowa on Sunday afternoon, and the audience was down only slightly from its Saturday night run there last year. This year's race scored an 0.37 rating and averaged 534,000 viewers on NBCSN, compared with 541,000 in 2015.After a fast start on...