Dayn Perry

CBS Sports Writer /

Mariners' Luis Castillo lands on IL with hamstring strain as Seattle's playoff hopes continue to fade

The Mariners' 10-game division lead has vanished and then some

Cardinals promote top prospect Thomas Saggese to majors for MLB debut

Saggese's promotion comes as Brendan Donovan deals with a foot injury, opening up infield playing time

White Sox GM Chris Getz blames record-setting losing season on 'the cards we've been dealt'

The White Sox are barreling toward an MLB-record 125 losses

Paul Skenes breaks Pirates' rookie strikeout record set in 1935 with dominant 20th start of MLB career

Skenes has been lights out since being promoted to the majors

Yankees' Nestor Cortes says he's 'upset' at being used in relief after 'workhorse' role: 'Now they do this'

Cortes threw 4 1/3 scoreless innings against the Cubs Saturday

Can Mets maintain playoff position after surging past Braves? Three things to know about down-to-the-wire race

The Mets currently hold the third and final National League wild-card spot

Gavin Stone injury: Dodgers' rookie starter headed to IL with shoulder injury

Stone will go on the 15-day IL with right shoulder inflammation

NL wild-card breakdown: Padres, Diamondbacks, Braves are favorites for playoff spot with Mets closing in

Six teams are within six games of a wild-card berth in the National League

Royals claim Tommy Pham, Robbie Grossman off waivers, per reports

Kansas City adds two veteran outfielders, who both will be eligible to play in the playoffs if the Royals make it

Clayton Kershaw injury: Dodgers star returns to IL after leaving start vs. D-backs in second inning

Kershaw is dealing with a bone spur in his left big toe

Rich Hill called up by Red Sox for fourth stint in Boston: 44-year-old veteran will be oldest in majors

The pitcher will be making the first appearance of his 20th season in the majors

Jason Heyward to sign with Astros to fill outfield spot after being released by Dodgers, per report

The outfielder will be the latest experiment for a Houston team trying to replace Kyle Tucker

Roki Sasaki free agency: What to know about NPB ace, including whether he'll be posted to MLB this offseason

The 23-year-old Sasaki hitting free agency would come at a price for him and the Chiba Lotte Marines

Dayn Perry has been a baseball writer for CBS Sports since early 2012. Prior to that, he wrote for FOXSports.com and ESPN.com. He's the author of three books, the most recent being Reggie Jackson: The Life and Thunderous Career of Baseball's Mr. October. A native of Mississippi, he now lives in Chicago with wife, son, and dog.

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