A's pitcher Bartolo Colon was suspended for 50 games Wednesday after testing positive for testosterone, a performance-enhancing substance in violation of Major League Baseball's Joint Drug Prevention and Treatment Program.

Yu Darvish was scratched from his start Thursday against the Twins with tightness in his right quad. His next start will come next Tuesday against the Rays.

The Yankees sent Ivan Nova back to New York for tests on his right shoulder, which he injured in the sixth inning of a loss to the White Sox on Tuesday.

Major League Baseball on Wednesday overturned official scorer Del Black's hit call on Paul Konerko's ground ball with two outs in the seventh during Jeremy Guthrie's no-hit bid last Sunday.

Nationals manager Davey Johnson indicated on Wednesday that right-hander Stephen Strasburg will miss the last two to three starts of the 2012 regular season.

Right-hander James Shields went seven-plus strong innings for his seventh career win against the Royals as the Rays earned a 5-3 win in the rubber game on Wednesday at Tropicana Field.

The Rockies announced on Wednesday that Troy Tulowitzki and Jason Giambi will begin rehab assignments with Double-A Tulsa on Friday. Neither are expected to rejoin Colorado until next month.

The NL West race is the closest in baseball. Almost every day either the Giants or the Dodgers take the division lead. Many people think this race will be decided during the last weekend of the regular season, when they play a three-game series at Dodger Stadium.

Following a remarkable comeback from shoulder surgery, a no-hitter and, more recently, days of deliberation, Johan Santana's season is finished.

The Blue Jays are expected to receive a major boost on Friday when Jose Bautista makes his return to the lineup.

Ryan Braun doubled and homered, and Yovani Gallardo tossed seven stellar innings as the Brewers edged the Cubs on Wednesday. to complete a sweep.

Pig farmer? Prison administrator? Is there anything else we don't we know about Eric Stonestreet? Actually, there is. Stonestreet is a big baseball fan.

Officially, numerically, Jim Joyce is 1-1 in moments that would lead to fame, or at least notoriety. But in the larger, human scheme of things, he is better than that.

The Padres tabbed Andrew Werner to make his big league debut on Wednesday against James McDonald and the Pirates as San Diego seeks a series sweep.

Tim Lincecum has been challenged this season in unanticipated ways, mentally and emotionally. But this latest effort — Lincecum recorded 17 outs and was dominant for five innings on Tuesday — should hearten all those fans who have been in despair.

Chase Headley hit a two-run, walk-off home run in the 10th inning Tuesday to give the Padres a 7-5 victory over the Pirates before a crowd of 21,882 at Petco Park.

Tim Lincecum pitched effectively into the sixth, and the Giants, who already have assured themselves of winning the three-game series, widened their NL West lead over the Dodgers to 1 1/2 games with a 4-1 victory on Tuesday night.