The Detroit Tigers closed the gap on the Kansas City Royals in MLB on Monday, while the Los Angeles Angels won big.
A six-run third inning set up the Tigers' 9-5 win over the American League (AL) Central-leading Royals.
It saw the Tigers move to within a game of the divisional lead.
Victor Martinez, Don Kelly, Alex Avila and Torii Hunter had RBIs in the third, while Nick Castellanos had a two-run double.
Justin Verlander pitched seven innings, giving up six hits and four runs, but that was enough for the win after Jeremy Guthrie lasted fewer than three innings.
AL West leaders the Los Angeles Angels crushed the wildcard-chasing Cleveland Indians 12-3.
Kole Calhoun, David Freese, Howie Kendrick and Albert Pujols all hit homers in the big win, with the Indians 4.5 games back in the wildcard race.
The Seattle Mariners had a 4-1 win over the Houston Astros to sit in a wildcard spot, while the Toronto Blue Jays sit five games back after pitcher Marcus Stroman shut out the Chicago Cubs in an 8-0 win.
The Oakland Athletics cling onto their wildcard spot despite another loss, this time a 5-4 defeat through 12 innings against the Chicago White Sox.
The Baltimore Orioles continue to close in on winning the AL East after a 4-0 victory over the Boston Red Sox.
In the National League (NL) East, the Washington Nationals moved eight games clear with a 2-1 win over the second-placed Atlanta Braves.
Doug Fister produced seven strong innings for his 13th win of the season.
The St Louis Cardinals lead the NL Central by 4.5 games after easily beating the Cincinnati Reds 5-0.
The Pittsburgh Pirates, who remain second and hold a wildcard spot, were 6-4 victors over the Philadelphia Phillies.
Like the Braves, the Milwaukee Brewers are 1.5 games back in the wildcard race " but they were beaten 6-4 by the Miami Marlins.
Wilmer Flores' walk-off sacrifice fly saw the New York Mets edge the Colorado Rockies 3-2 and the NL West-leading Los Angeles Dodgers beat the San Diego Padres 9-4.