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During a conference call Monday to explain his decision to retire at age 34, shortstop Troy Tulowitzki said that baseball "just wasn't as enjoyable as it once was" after he strained his calf this year.

The Philadelphia Phillies acquired left-hander Jason Vargas in a trade Monday with the division rival New York Mets.

Nationals ace Max Scherzer is headed back to the IL for the second time this month, meaning the three-time Cy Young Award winner will miss this week's series against the Braves.

The Blue Jays have called up top prospect Bo Bichette about 2 hours before first pitch against the Royals on Monday night as they continued with sweeping changes to their big league roster.

The Brewers, desperate for pitching help with multiple members of their rotation sidelined by injury, acquired right-hander Jordan Lyles in a trade Monday with the Pirates.

Astros outfielder Jake Marisnick will miss games Tuesday and Wednesday against Cleveland after losing his appeal of a two-game suspension for running into Angels catcher Jonathan Lucroy on July 7.

Infielder Eric Sogard was traded from the Blue Jays to the Rays.

Former Red Sox slugger David Ortiz said he is glad to be home with family after a botched assassination attempt in his native Dominican Republic.

Can Stephen Strasburg keep it up? Will Max Scherzer's back hold up? Can anyone fix the Washington bullpen? The answers will set the course for the Nationals' season.

As teams consider shaking up their rosters with big deals, some contenders have already shored up their spots in the standings.

Borderline buyers at the trade deadline must decide whether winning a wild-card spot is worth selling the farm. We look at the previous five years to see how it shook out.

The Dodgers traded minor league infield prospect Daniel Castro to the Mariners for utility man Kristopher Negron.

Marcus Stroman to New York wasn't a shock. But to the Mets, not the Yankees? Didn't see that coming. And that could be just the beginning of the craziness.

Right-hander Marcus Stroman had a career-best 2.96 ERA this season with Toronto, which gets a pair of pitching prospects in the trade with New York.

Max Scherzer was not able to throw a bullpen session Sunday and will probably miss his next scheduled start for the Nationals against the first-place Braves on Tuesday.

Toronto Blue Jays pitcher Marcus Stroman has a career-best 2.96 ERA this season.

Trevor Bauer threw a baseball over the center-field fence at Kauffman Stadium after surrendering the Indians' lead to the Royals on Sunday.

MLB's one and only trade deadline is on July 31. What does the flurry of player movement as that date approaches mean for your fantasy team?

Infielder Eric Sogard was traded from the Blue Jays to the Rays, sources told ESPN's Jeff Passan.

The Chicago White Sox have activated rookie outfielder Eloy Jimenez from the 10-day injured list and designated infielder Jose Rondon for assignment.