HOUSTON — The Houston Astros placed ace Dallas Keuchel on the 10-day disabled list with a pinched nerve in his neck.

Keuchel, the 2015 American League Cy Young Award winner, has brushed off a tough 2016 season by opening this year 7-0 with a 1.84 ERA to help the Astros to the best record in the majors. The left-hander has the lowest ERA in the majors and his wins are the most in the AL and tied for most overall.

The move is retroactive to May 17, which means he might only miss one start.

To take his place on the roster the Astros recalled left-hander Ashur Tolliver from Triple-A Fresno. He has a 2.70 ERA in 10 relief appearances for the Grizzlies this season.

DODGERS: Hall of Fame manager Tom Lasorda has been hospitalized.

The team said the 89-year-old Lasorda is resting comfortably and didn’t provide any additional details Saturday on his condition.

Lasorda has spent almost seven decades in the Dodgers’ organization, starting as a minor league pitcher in the Brooklyn system in 1949. He has been a pitcher, coach and manager for the Dodgers, and guided them to their last World Series championship in 1988.

TRADE: Atlanta added bullpen depth by acquiring right-hander Enrique Burgos from Arizona for cash considerations.

The 26-year-old Burgos was designated for assignment by the Diamondbacks this week after posting a 6.23 ERA at Triple-A Reno this season. He will report to Triple-A Gwinnett.

ROYALS: Starter Nathan Karns was to undergo tests Saturday after he was removed from his start Friday night because of stiffness in his right forearm. Karns was limited to 72 pitches, but described leaving the game as precautionary.