Jeurys Familia gave up a one-run lead in the ninth for Oakland and Cincinnati's Jake Fraley hit a broken-bat double to give the Reds a 3-2 win over the Athletics.
Las Vegas will become the smallest TV market in Major League Baseball if the Oakland Athletics relocate there.
Aaron Judge hit his major league-leading 56th and 57th home runs, Gleyber Torres had a go-ahead three-run double in the 10th inning and the New York Yankees held on to beat the Boston Red Sox 7-6.
The Philadelphia Phillies acquired right-hander Noah Syndergaard, veteran reliever David Robertson and center fielder Brandon Marsh in three trades.
Kevin Pillar hit a three-run home run in the 12th inning, lifting the New York Mets over the San Francisco Giants 6-2 hours after the team’s owner called out its hitters for a lack of production.
Pete Alonso capped New York’s six-run eighth inning with a three-run double, and the Mets used a defensive meltdown by Philadelphia and a replay reversal to beat the Phillies 8-7.