Gleyber Torres and Giancarlo Stanton connected as the New York Yankees broke the MLB record for home runs in a season and reached 100 wins with an 8-5 victory over the Boston Red Sox at Fenway Park.
Torres' two-run drive in the fourth was the Yankees' 265th of the campaign and moved them past the 1997 Seattle Mariners for the mark.
Stanton pushed the record to 266 in the seventh with his 38th homer, a solo hit to left field.
A fan sitting in the seats above the Green Monster threw the souvenir back and the ball bounced into Stanton as he rounded second base.
The Yankees, who will host Oakland in the AL wild-card game on Wednesday, improved to 100-61 - that still left them far behind the AL East champions Boston, who have set a franchise record for victories in going 107-54 with one day left in the regular season.
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This is the 10th time in big league history that a team has won at least 100 games and not finished first.
Since the start of division play in 1969, the only clubs that didn't wind up on top despite triple-digits wins were Oakland in 2001 - which won 102 games to Seattle's 116 - San Francisco in 1993 and Baltimore in 1980.
The Yankees joined Boston and Houston as teams to win 100 or more this season, making the AL the first league to have a trio of 100-win teams in the same year.
New York reached 100 wins for the 20th time in franchise history and first since going 103-59 in 2009, when they went on to win their most recent World Series title.
Manwhile, the Los Angeles Dodgers have clinched a spot in the post-season for the sixth year in a row with a 10-6 win over the San Francisco Giants.
Manny Machado hit a go-ahead RBI triple in the eighth inning to clinch at least a spot in the wild-card game.
The Dodgers joined Colorado Rockies, Atlanta Braves, the Chicago Cubs and Milwaukee Brewers in the NL play-off field.
