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The Phillies reinstated right-hander Taijuan Walker from the 15-day injured list on Tuesday.

A day after announcing that rookie right-hander River Ryan will miss the rest of the season, the Los Angeles Dodgers said Tuesday that he will require Tommy John surgery.

New rules and new players are rejuvenating baseball's base running roots

The Chicago White Sox, the team with baseball's worst record, hammered the New York Yankees, the team tied for the best record, 12-2 on Monday night, giving interim manager Grady Sizemore his first victory since taking over the club last week.

The Miami Marlins, in the early stages of another rebuild, have made a deluge of firings under first-year general manager Peter Bendix, sources told ESPN on Monday.

Will Wagner was inserted into the Blue Jays lineup at second base and batting sixth for his major league debut Monday against the Los Angeles Angels.

Rockies outfielder/first baseman Kris Bryant, who is dealing with a back strain, was placed on the injured list for the third time this season on Monday.

The Seattle Mariners and outfielder Victor Robles have agreed on a two-year contract extension, the team announced on Monday.

The Red Sox placed left-hander James Paxton on the 15-day injured list Monday with a strained right calf, a day after he limped off the field. "He's in pain," manager Alex Cora said. "We'll see what happens."

Tampa Bay Rays pitcher Ryan Pepiot, who received antibiotics in his right knee on July 19, could return to the rotation late this week after being hospitalized for a knee infection that is believed to the result of a spider bite during the All-Star break.

Justin Verlander is set to make his second minor league rehab start this week and could rejoin the Astros' rotation after that.

The Dodgers have activated Mookie Betts from the injured list after missing nearly two months with a broken left hand.

The Red Sox and MLB have suspended outfielder Jarren Duran for two games after he uttered an anti-gay slur at a fan.

The St. Louis Cardinals placed DH/1B Matt Carpenter on the 10-day injured list Monday with a lower back strain.

The Atlanta Braves placed left-handed reliever A.J. Minter on the 15-day injured list Monday with left hip inflammation.

Red Sox outfielder Jarren Duran said he "fell far short" after directing an anti-gay slur toward a fan during Sunday's home game against the Astros.

Veteran starter Merrill Kelly pitched five solid innings in his return from a shoulder injury, improving to 3-0 on the season, and the Arizona Diamondbacks stayed hot with a 12-5 victory over the Phillies on Sunday, Philadelphia's third straight loss.

In his return to the majors after spending nearly four months on the injured list, Milwaukee's DL Hall had a career-high nine strikeouts over 4 2/3 innings Sunday in the Brewers' 4-3 loss to the Cincinnati Reds, his first MLB appearance since April 20.

The Phillies claimed right-handed pitcher Kyle Tyler off waivers from their NL East rivals, the Marlins, on Sunday.

Dodgers rookie right-hander River Ryan will miss the remainder of the season with an elbow injury that occurred during his fourth career major league start Saturday against the Pirates.