The San Francisco Giants are on their longest winning streak of the season and will go for their fifth consecutive victory when they visit the Philadelphia Phillies on Monday night. It is the opener of a four-game series for the teams and comes after San Francisco completed a three-game sweep of National League East-leading Atlanta over the weekend.

The losses are piling up for the skidding New York Mets - both on and off the field. With another injury to a key player to cap off a wretched homestand that dropped the team into third place in the National League East, the Mets hit the road for a six-game road trip beginning with the first of three against the Cincinnati Reds on Monday night.

The Texas Rangers' bats went silent over the weekend as they dropped three straight to finish a four-game series with the visiting Boston Red Sox. They will try to put a few more runs on the board and shake out of a season-long funk at home when they open a three-game set against the visiting Detroit Tigers on Monday.

The Miami Marlins have won four consecutive series after a rough start to the season and look to continue moving in a positive direction when they visit the slumping Chicago Cubs on Monday for the opener of their three-game set. J.T. Realmuto reached base four times and Starlin Castro knocked in three runs for the second straight game as the Marlins outlasted Cincinnati 8-5 on Sunday, improving to 8-3 in their last 11 contests after a 5-17 start.

Less than 19 hours after extending their winning streak in dramatic fashion, the St. Louis Cardinals vie for their sixth straight victory when they host the Minnesota Twins on Monday for the opener of their two-game interleague series. St. Louis was down to its last strike in the 14th inning late Sunday night when Dexter Fowler launched a two-run homer to give the club a 4-3 triumph over the Chicago Cubs.

Dallas Keuchel and the Houston Astros hope to snap out of a slump when they visit the improving Oakland Athletics on Monday for the opener of the three-game series between the American League West rivals. The 2015 AL Cy Young Award winner, Keuchel has started the season with just one win in six decisions, and the Astros have matched that record over their last six contests after suffering a 3-1 setback at Arizona on Sunday.

A simple shakeup of the batting order has done wonders for the Washington Nationals, who begin a three-game series against the host San Diego Padres on Monday. The Nationals have gone 5-1 and averaged 6.2 runs per game since manager Dave Martinez moved star Bryce Harper into the leadoff spot on Tuesday.