The Phillies hit four home runs total in a 12-7 win over the Mariners. They had a season-high 21 hits, and every Phillies starter had at least one hit before the third inning for the first time since 1963, per MLB.com. MORE: Phillies' pitcher Matt Strahm has the funniest reason for investing in Pokemon cards

As if those home runs weren't enough on their own, Harper also made a bit of franchise history with those longballs, becoming the first Phillies player in the StatCast era (since 2015) to hit two home runs in the same game that traveled 440 or more feet.

Bryce Harper had a big night on Monday, as he hit huge homers to help the Phillies score a win in the series opener against the Mariners.

PHILADELPHIA — Before he launched a 440-foot homer that he followed with a 448-foot homer, Bryce Harper smacked a slider to dead center. He missed the barrel. He knew it and looked disgusted. He jogged to first base as Julio Rodríguez caught the fly ball, then clapped his hands a few times. “Just missed it,” Harper said.

Yes, the photo is genuine. Bryce Harper, a member of The Church of Jesus Christ of Latter-day Saints, wore the "Stripling Warriors" shirt (a Book of Mormon reference) arriving at the Phillies-Rangers game today, per MLB Fits. Iconic choice!

The Philadelphia Phillies routed the Seattle Mariners 12-7 on Monday night at Citizens Bank Park as they continue their pursuit of the National League East titl

ALL Phillies on Monday. Bryce Harper tacks on to their 6-0 lead with a second deck, 440 ft home run in the sixth.A majestic moonshot for Bryce Harper's 20th home run of the season originally appeared

Bryce Harper belts a mammoth solo home run for his 20th of the season, extending the Phillies' lead in the 6th and passing Greg Vaughn for 95th on the all-time list

Bryce Harper told MLB commissioner Rob Manfred to "get the f--- out of our clubhouse" during a meeting with the Phillies about the game's economics, sources told ESPN.

Phillies slugger Bryce Harper calls ace Zack Wheeler irreplaceable after blood clot scare, joining Kyle Schwarber and Rob Thomson in support.