The Rocktober Rumble tournament continues with a pair of acts who emerged in the early 2000s, made their mark and have consistently dominated the airwaves with their music.

Three Days Grace kicked off their One-X album with the driving rock single "Animal I Have Become," a song digging into the darker side of their singer at the time, Adam Gontier. The track went on to spend seven weeks at No. 1 in 2006. Take a listen in the player below.

That same year, Breaking Benjamin were continuing their uptick in their career with "The Diary of Jane," a chugging rocker from their Phobia album. It reached No. 2, but stayed on the charts for a good portion of 2006. Get a listen to "The Diary of Jane" below.

Will it be Three Days Grace or Breaking Benjamin? Vote for which song you want to advance in our tournament to decide the best hard rock hit of the 21st Century in the poll provided. And click the red button to vote in the next matchup as well. You can vote once per hour through the deadline of Monday, Oct. 17 at 10AM ET.

Three Days Grace, "Animal I Have Become"

Breaking Benjamin, "The Diary of Jane"

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