Bryce Harper gave the 43,698 fans the show they had so eagerly anticipated in the T-Mobile Home Run Derby on Monday night, staging a late rally to win the final round against the Cubs' Kyle Schwarber.

Kyle Schwarber hit more home runs than anyone else in Monday's T-Mobile Home Run Derby, but unfortunately for the Cubs slugger, Bryce Harper hit one more when it counted most. Schwarber, who clubbed 55 homers on the night, fell to the Nationals' hometown hero in a memorable final round, 19-18, as Harper hit a walk-off homer in bonus time to snap the tie and win the event in front of a packed house at Nationals Park.

When 45 members from the Air Force District of Washington headed to Nationals Park on Monday, they thought it was a glorified field trip of sorts -- go to the T-Mobile Home Run Derby, watch a little baseball, eat a little food, have a lot of fun.

On the strength of an electric run late in the final round, the Nationals' Bryce Harper came out on top among a field of eight participants in Monday night's T-Mobile Home Run Derby at Nationals Park in Washington D.C., outslugging the Cubs' Kyle Schwarber in the final round to become the third player in Derby history to win the event on his home turf.

Alex Bregman needed one more dinger to force a 60-second swing-off with Cubs slugger Kyle Schwarber in the first round of the 2018 T-Mobile Home Run Derby, but Bregman's final bid hit off the left-field wall.

It took a legend to do it.

Bobby Witt Jr. hit eight home runs in 76 seconds to win the High School Home Run Derby at Nationals Park on Monday night. Witt beat out Rece Hinds, who knocked seven homers

Since 1985, many of Major League Baseball's most prolific home run hitters have competed on the All-Star stage in the Home Run Derby.