Maroon 5 extends its record for the most No. 1s by a group on Billboard's Pop Songs radio airplay chart, as "Sugar" shoots 2-1. The band scores its eighth leader, doubling the sum of the group with the next-best total, Boyz II Men (four). Among all acts, Maroon 5 ranks fourth, trailing only Katy Perry and Rihanna (11 each) and P!nk (nine).