This past weekend delivered another important stretch of MLB action as teams continued to build momentum for the second half of the season. The Tampa Bay Rays and Chicago Cubs stood out as two of the biggest MLB weekend winners, using strong pitching, timely offense, and series victories to keep pushing forward in the playoff race. On the other side, the Miami Marlins and Detroit Tigers landed among this week’s MLB weekend losers after frustrating series that exposed issues with consistency, late-game execution, and run production.

Here’s a look at the biggest MLB winners and losers from this past weekend.

Winner: Tampa Bay Rays

The Tampa Bay Rays were the biggest winners in MLB this weekend, sweeping the Cleveland Guardians with a dominant +12 run differential across three games. The offense set the tone early in the series with an 11-run outburst, but the real story of the weekend was how complete Tampa Bay looked in every phase of the game.

The Rays’ pitching staff was outstanding throughout the series, closing the weekend with back-to-back shutouts against Cleveland. Drew Rasmussen delivered the standout performance on Sunday, throwing seven scoreless innings with nine strikeouts in a 1-0 win. When a team allows only three runs across an entire weekend, it puts itself in position to win every night. For Tampa Bay, this was a statement sweep that strengthened its playoff push and made the Rays one of the clear MLB winners from the weekend.

Loser: Miami Marlins

The Miami Marlins had a difficult weekend against the San Diego Padres, getting swept and finishing with a -9 run differential across the three-game series. Miami scored just 7 total runs, and while the Marlins had a few moments offensively, they could not generate enough consistent production to keep pace with San Diego. They have now lost 12-straight games, dropping to the bottom of the NL East.

Pitching was also an issue for the Marlins, as Miami allowed 16 total runs over the series and had trouble stopping San Diego once the Padres started building momentum. Sunday’s finale was especially frustrating because Miami had a chance to change the tone of the weekend before the game slipped away late. The Marlins have shown flashes throughout the season, but this series highlighted the need for more consistent offense and stronger run prevention if they want to stay competitive down the stretch.

Winner: Chicago Cubs

The Chicago Cubs were another major MLB weekend winner, taking two of three from the Pittsburgh Pirates with a +11 run differential. Chicago scored 21 total runs across the series, showing the type of offensive depth that makes the Cubs dangerous when the lineup is clicking. The biggest performance came in Saturday’s 11-0 win, when the Cubs broke out for 16 hits and controlled the game from start to finish.

Chicago’s pitching also played a major role in the series win. The Cubs allowed only 2 total runs across the first two games, giving the offense plenty of room to take control. Shota Imanaga helped lead the way with six scoreless innings in the blowout win, giving Chicago one of its most complete performances of the weekend. Even though Sunday’s finale slipped away, the overall series was a strong result for the Cubs and another positive sign as they continue pushing in the National League playoff race.

Loser: Detroit Tigers

The Detroit Tigers had a frustrating weekend against the Kansas City Royals, going 1-2 despite keeping every game close. Detroit finished with a -1 run differential, which shows how tight the series really was. The Tigers were competitive throughout the weekend, but the offense never fully broke through enough to take control.