The Giants hold the major's best record entering the week.
Adam Wainwright became the first pitcher in the National League to tally eight victories this season. The Cardinals' ace carries a 20-inning scoreless streak into his next outing.
Oakland is going to have to watch its back this season with the Angels hot on its tail in the AL West.
The Brewers aren't as dominating as they were at the start of the season, but with an eight-game home stand beginning this week, Milwaukee could return to form.
Coming off the worst season of his career, Albert Pujols appears to be back to his usual form, which helps offset Josh Hamilton's ongoing stint on the DL.
After three subpar seasons in Houston, Jordan Lyles appears to have found his arm in Colorado. The former highly-touted prospect has a 5-1 record with a 3.45 ERA entering the week.
Josh Beckett threw a no-hitter Sunday against the Phillies. Not bad for a guy who looked to be on the last ropes of his career prior to this season.
Winners of four straight series, including sweeps of Oakland and Boston, the Blue Jays are now in the driver's seat of a crowded AL East.
Derek Jeter is having a rough final season, but after a four-hit game Sunday against the White Sox, things could be turning around for the Yankees' captain.
The Tigers still hold a decent lead in the AL Central; that won't be the case for long if Detroit doesn't turn things around after winning just one of its last seven games.
Strikeouts have become an issue for B.J. Upton as he attempts to rebound from his miserable '13 campaign. The Braves outfielder did see improvement last week as he only struck out twice in 23 at-bats.
Chris Davis won't hit 53 homers as he did last season, but after a three-homer night Tuesday, the slugger may have found his power stroke once again.
The Rangers can't seem to catch a break this season, with Prince Fielder becoming the latest player to have his season end early. Despite the issues, Texas played well last week.
The Nationals have their own injury issues with Bryce Harper, Ryan Zimmerman and Gio Gonzalez on the disabled list.
Mike Moustakas, considered a key piece of the Royal's long-term plans, was optioned back to Triple-A last week. The No. 2 pick in the 2007 draft was hitting .152 with a .543 OPS in 40 games this season.
Miami has the league's best home record at 20-8; the Marlins also have the NL's most losses on the road, with 17 entering the week.
Mariners' rookie outfielder James Jones had his 14-game hitting streak stopped by the Astros' red-hot pitcher Dallas Keuchel on Sunday.
Alexei Ramirez had only six home runs all last year. So far in '14, the shortstop has hit seven homers in 52 games. Alongside the impressive hitting stats, Ramirez sports a .983 fielding percentage.
Joey Votto has been sidelined for the past week-plus and is hoping to return to action by the end of the week. The Reds need their slugger back to boost a poor offense overall.
Just when the Phillies show signs of life, things turn around quickly. Philadelphia dropped two series last week and was no-hit by Josh Beckett Sunday afternoon.
Looking down and out last week, the Indians rebounded nicely with a three-game sweep of the division-leading Tigers, then split four games against the Orioles in Baltimore.
Since exploding on to the scene in April, Chris Colabello has seen his average drop significantly in May, resulting in a demotion to Triple-A despite still be the Twins' leader in RBI.
Daisuke Matsuzaka made his first start since September â13 in a spot-start for the Mets Sunday. He went six innings, giving up two runs on three hits while striking out six.
Sweeping the Red Sox gave the Rays some much-needed confidence heading into Toronto for a series with the red hot Blue Jays.
Despite making only 15 starts this season, right fielder Josh Harrison has hit .304 to go along with excellent defense play.
Playing in a pinch-hit role after sustaining a groin injury last week, Carlos Quentin showed just how valuable he can be, hitting the game-winning home run Saturday against the Cubs.
The Red Sox re-signed Stephen Drew, but he didn't arrive soon enough to pull Boston out of its longest losing streak in 20 years.
A.J. Pollock has been one of the better hitters for Arizona in recent weeks, which pairs nicely with his already outstanding play defensively in center field.
Dallas Keuchel has been nothing short of spectacular for the Astros. With Sunday's win over Seattle, the lefty has won four straight starts while bringing his record to 6-2 with a 2.55 ERA.
Jeff Samardzija has pitched well enough to be considered one of the best in the baseball, but even so, it took him until Memorial Day to get his first win.
