This weekend on the iHeartRadio Countdown with Mario Lopez we've got a big time battle for the #1 spot between Lewis Capaldi and Maroon 5! Lewis has been controlling the top spot for the past month or so but word is Maroon 5 is making a BIG time pull for the one spot this weekend. So we'll countdown the top 20 songs in the land and see who ends up with the biggest song of the week! Plus Mario will play some throwback classic favorites, talk some music news and more! Tune in!
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