Tatis is expected to make his major-league debut in 2019, though he'll likely open the season with Triple-A El Paso, AJ Cassavell of MLB.com reports.

General manager AJ Preller told MLB Network Radio on Tuesday that Tatis will "come to camp and most likely compete for" the starting shortstop role.

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.The San Diego Padres have told the Mets that infield prospect Fernando Tatis Jr. is untouchable in trade talks for starting pitcher Noah Syndergaard, according to major league sources. The teams have also discussed catcher Austin Hedges. Tatis is the team's top prospect and No. 2 prospect in all of baseball. The 19-year-old suffered a thumb injury in midseason but managed to hit .286/.355/.507 with 16 home runs and 16 stolen bases in 88 games for Double-A San Antonio in 2018. He'll likely start in the minors in 2019 but should be up with the Padres at some point next year.

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.San Diego Padres infield prospect Fernando Tatis Jr. (thumb), who suffered an avulsion fracture in his left thumb in the minor leagues in July, hit a home run in his first at-bat in winter ball for Estrella in the Dominican Republic. The 19-year-old shortstop is ranked as the No. 2 prospect in all of baseball and had 16 home runs, 43 RBI and 16 stolen bases while hitting .286/.355/.507 in 88 games for Double-A San Antonio before his injury. He should receive an invite to big league spring training, but his injury likely ensures he'll begin in the minor leagues in 2019. Tatis should already be owned in all dynasty/keeper leagues and is worth a late-round pick as a stash in deep leagues next year as well. He should be up in the big leagues at some point next season, barring a setback with his thumb.

Tatis (thumb) has been fully cleared to resume baseball activities and is expected to play winter ball in the Dominican Republic, Jeff Sanders of The San Diego Union-Tribune reports.

Tatis (thumb) will will undergo season-ending surgery on his thumb Tuesday, Dennis Lin of The Athletic San Diego reports.

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San Diego Padres shortstop prospect Fernando Tatis Jr. (thumb) will undergo season-ending surgery to fix an avulsion fracture in his left thumb on Tuesday. The expected recovery timeline is six to eight weeks, which means he should have time to prepare for winter ball. Tatis was the third overall prospect in baseball this year, so it's a bummer for Padres fans. He was holding his own at Double-A with a .286 average, 16 home runs and 16 steals and was a candidate to make it up to the big leagues this September. He'll surely be an option to take over the starting shortstop duties at some point in 2019.

Tatis is expected to require surgery on his fractured thumb which will keep him out for the rest of the season, Kevin Acee of The San Diego Union-Tribune reports.

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San Diego Padres top prospect Fernando Tatis Jr. (thumb) is expected to need surgery and miss the rest of the season after fracturing his left thumb while attempting a stolen base on Thursday at Double-A San Antonio. The good news is the Padres don't expect the injury to affect him past this year. There remains hope that an MRI can be performed after the swelling goes down and Tatis can avoid surgery. Tatis is expected to need six to eight weeks of recovery time. The 19-year-old had 16 homers and 16 steals this year and was expected to get a shot in the bigs in the second half. He'll have to wait until 2019 now, but he's still one to stash in all keeper leagues.

Tatis is unlikely to return quickly after injuring his thumb while sliding into second base in a Double-A game Thursday, Dennis Lin of The Athletic San Diego reports.

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San Diego Padres general manager A.J. Preller said the team is expecting bad news on shortstop prospect Fernando Tatis Jr.'s left thumb injury. "We'll have more information here this weekend, but right now, the possibilities... potentially a fracture, potentially some ligament damage... He's probably going to miss some time," Preller said. Tatis injured the thumb attempting a steal Thursday night. He's the third overall prospect in all of baseball, per MLB.com. The star middle infielder has hit .286 with 16 home runs and 16 steals at Double-A San Antonio this year. He was certainly a candidate to come up in the second half, but this injury may curtail those plans. Tatis is still worth owning in most dynasty/keeper leagues for his upside, but we may not see him in the big leagues now until 2019.

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San Diego Padres shortstop prospect Fernando Tatis Jr. (thumb) injured his left thumb in a minor league game with Double-A San Antonio on Thursday while trying to steal his 17th base of the year. He also hit his 16th home run in the game, but the Padres will know more about his status on Friday. The No. 3 overall prospect, per MLB.com, is hitting .286/.355/.507 with 16 homers, 43 RBI and 16 steals in 88 games and certainly could play in the big leagues later this year. He should already be stashed in all dynasty leagues.

Tatis left Thursday's game for Double-A San Antonio with an apparent injury.

Tatis went 3-for-4 with a pair of solo home runs Saturday for Double-A San Antonio in its 4-3 loss to Northwest Arkansas.

Tatis went 3-for-5 with a double, walk and two runs for Double-A San Antonio in its 11-6 win over Tulsa on Tuesday.

Tatis went 2-for-4 with two home runs and one strikeout Tuesday for Double-A San Antonio.

Tatis went 3-for-7, drove in three runs and scored twice for Double-A San Antonio in its 13-6 victory over Frisco on Thursday.

Tatis went 2-for-4 with two home runs Tuesday for Double-A San Antonio against Frisco.

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San Diego Padres top prospect, shortstop Fernando Tatis Jr., hit two home runs for Double-A Frisco. It was needed for baseball's No. 8 prospect, as he has been off to a cold start this season. Tatis upped his average to .200 with his 2-for-4 performance Monday. Tatis offers very strong bat speed and power at 19 years old. Tatis should already be owned in dynasty leagues and owners in redraft leagues should remember his name for their 2019 draft board, as it's unlikely he will make his big league debut this year.

Tatis went 2-for-6 with two runs scored for Double-A San Antonio in the club's 10-5 win over Midland on Thursday.

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Although he is one of the most highly touted prospects in the game, San Diego Padres shortstop Fernando Tatis Jr. is off to a rocky start in Double-A. Tatis is currently hitting .205 over his first nine games with two doubles and a triple. Tatis has struggled with his plate discipline however as he has 11 strikeouts and zero walks. Tatis is still just 19-years-old and offers plenty of upside with his ability to hit for power along with making good contact that should lead to a good average at the next level. He should be stashed in dynasty leagues but is unlikely to make an impact for owners in redraft leagues.

Tatis will open the year at Double-A San Antonio, Jeff Sanders of The San Diego Union-Tribune reports.

Tatis was re-assigned to minor-league camp on Tuesday.

Tatis is in the lineup for Monday's game against the Royals.

Tatis was taken out of Friday's lineup due to an illness.

Tatis was scratched from Friday's spring game against the White Sox.

Tatis is hitting .381/.458/.667 with one home run, three steals (on three attempts) and a 7:3 K:BB in 21 at-bats this spring.

Tatis has been invited to the Padres' major-league camp this spring.

Tatis was promoted to Double-A San Antonio on Sunday, Kyle Glaser of Baseball America reports.

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San Diego minor league shortstop Fernando Tatis mashed his 20th home run of the season on Friday. It set a franchise record for homers in a season for Single-A affiliate Fort Wayne. Tatis is also batting .270 with 64 RBI and 28 steals in 407 at-bats this season. Tatis is ranked #101 on Baseball America's mid-season prospect list, but should keep climbing that list if he produces another 20-20 season in Double-A next year. He is a top prospect to watch long-term, especially considering the Padres are still searching for their shortstop of the future.

Tatis went 2-for-4 with a double and his 16th home run of the season Sunday for Low-A Fort Wayne.

Tatis, 18, is hitting .260/.338/.426 with eight home runs, 33 RBI and 12 steals through 63 games for Low-A Fort Wayne.

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San Diego Padres infield prospect Fernando Tatis became the youngest player this season to join the Prospect Team of the Week at just 18 years old. Tatis also earned Midwest League Player of the Week after hitting .462 with three home runs and six runs batted in. The son of 11-year MLB veteran third baseman Fernando Tatis is making a name for himself as a shortstop and is currently the No. 6 prospect in the Padres' organization. It will be a while before he joins the big club, but he looks like a player to watch as he develops.

Tatis, 18, is hitting .242/.313/.358 with two home runs, seven steals (on 11 attempts) and a 30.6 percent strikeout rate in 134 plate appearances with Low-A Fort Wayne.

Tatis is hitting .148/.258/.259 with one home run, two steals and an 11:3 K:BB in 31 plate appearances for Low-A Fort Wayne.

Tatis, 17, is hitting .303/.326/.472 with two home runs and five steals (on six attempts) in 89 at-bats in the Arizona League.