Shortstop Carlos Correa, considered the Houston Astros' top prospect, sustained a serious leg injury during a minor league game on Saturday night.
Correa, who plays for Single-A Lancaster of the California League, was carried off the field and carted to the clubhouse after he got hurt sliding into third base during a game.
The team did not announce the exact nature of the injury but the Antelope Valley Press reported that Correa may have broken his right fibula.
Correa, 19, was the No. 1 overall pick in the 2012 draft. He is batting .325 with six home runs, 57 RBIs and has 20 stolen bases in 62 games this season.
PADRES FIRE GM
The San Diego Padres fired general manager Josh Byrnes on Sunday.
The Padres were 32-43 and 12 1/2 games out in the National League West heading into Sunday.
San Diego went 76-86 in each of the last two seasons that Byrnes was GM.
"This ownership group is committed to fielding a team that consistently competes for postseason play," team president and CEO Mike Dee said in a statement. "Thus far this season, the results on the field have been mixed at best and clearly have not lived up to expectations. After a lengthy evaluation of every facet of our baseball operations, we have decided to make this change today.
"The search for a new general manager begins immediately. We are looking for someone who can define, direct and lead this franchise's baseball philosophy for years to come."
Senior vice president Omar Minaya and assistant general managers A.J. Hinch and Fred Uhlman Jr. will assume GM duties until a replacement is hired.
TORRES WEARS PADDED CAP
San Diego Padres reliever Alex Torres was the first pitcher to wear a protective padded cap during Saturday night's game against the Los Angeles Dodgers.
Major League Baseball approved the caps in January after testing several prototypes.
The league looked into providing the protective caps more than a year after then-Oakland A's pitcher Brandon McCarthy sustained life-threatening brain injuries from getting struck in the head by a line drive.
Torres played with the Tampa Bay Rays last season. Rays pitcher Alex Cobb sustained a concussion last June after a line drive struck his right ear. He was out for two months and became an advocate for padded inserts for caps for youth baseball and softball players.
Torres ordered the cap about a month ago and began wearing it about a week ago while playing catch.
"The difference between how this hat and the regular hat feels isn't much," Torres told MLB.com. "I tried it before using it in the game, playing catch. It doesn't feel really bad. It doesn't feel like how it looks on my head."
Some players complained about the bulkiness of the caps while testing out prototypes during the winter.
CUBS ACTIVATE CASTILLO
The Chicago Cubs activated catcher Welington Castillo from the 15-day disabled list on Sunday, according to radio station 670 The Score.
In a corresponding move, the club designated catcher Eli Whiteside for assignment to make room for Castillo on the active roster.
Castillo was out for three weeks with a rib cage injury. In two rehab games with Triple-A Iowa, he went 3-for-10 with two walks.
Castillo, 27, has a batting line of .242/.287/.385 with five home runs and 21 RBIs in 43 games this season.
Whiteside is expected to clear waivers and accept a demotion to Iowa.
CLOSER GIVES UP CHEW
The death of Hall of Famer Tony Gwynn last week shook the sports world and hit close to home for Arizona Diamondbacks closer Addison Reed.
Reed played for Gwynn at San Diego State and in the aftermath of Gwynn's, Reed has decided to quit smokeless tobacco. Before Saturday night's game against the San Francisco Giants, Reed threw away nine cans of smokeless tobacco, MLB.com reported.
"It's one of those things where I've done it for so long it's just become a habit, a really bad habit," Reed said. "It was something I always told myself I would quit, like next month, and the next thing you know it's been six or seven years."
Gwynn, who died Monday, had been diagnosed with cancer of a salivary gland in 2010. He blamed using smokeless tobacco for developing the cancer.