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What a home run! All 15 home teams win

First time in MLB history such a feat accomplished on same day

The Mariners' walk-off victory over the Orioles on Tuesday night capped an unprecedented slate in Major League Baseball.

For the first time in the league's history, all 15 home teams won on the same day. Prior to Tuesday, the closest the home teams have come was 12 wins more than a century ago, on May 23, 1914, according to Elias Sports Bureau.

MLB expanded to 30 teams in 1998, offering the first such opportunity for a regular 15-game schedule, excluding doubleheaders. There were 16 teams throughout most of MLB history, so for the majority of that time, eight games per day was the norm. The 1914 example includes four Federal League games, in addition to the usual eight combined American and National League games.

The 15 host teams -- the Blue Jays, Rays, Marlins, Mets, Indians, Cubs, Royals, White Sox, Twins, Cardinals, D-backs, Mariners, Padres, Dodgers and Giants -- outscored their visitors by an 80-32 margin, including four shutouts. Seven of the wins came after the home team trailed at some point in the game, and 11 of the 15 home clubs scored at least four runs in their victories.

Video: [email protected]: Bumgarner retires Gattis to earn the win

The O's nearly played spoiler to the record in the final game of the night. They homered twice for three runs in the eighth inning to send their matchup with the Mariners into extra innings. But in the home half of the 10th, Austin Jackson clinched the historic feat with a walk-off RBI single.

Seattle wasn't the only club to secure its victory with late-game heroics, however. The Indians outlasted the Yankees in a 16-inning, five-hour marathon at Progressive Field. Michael Brantley came through for Cleveland with a walk-off single in the 5-4 win. The Red Sox also pushed the Marlins to 10 innings in Miami, but Justin Bour's game-winning single put the home team over the top.

Video: [email protected]: Brantley delivers a walk-off single in 16th

The D-backs put up the most runs of any team Tuesday and posted the largest margin of victory, defeating the visiting Phillies, 13-1, at Chase Field. Arizona's offense exploded for 11 second-inning runs against Philadelphia starter David Buchanan. The Padres also hit double digits in an 11-6 win against the Reds in San Diego.

Chad Thornburg is a reporter for