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Many top rookies made a big early impression, but it's one who debuted late last season who is most available.

Baseball's new ABS system is the talk of the sport. We hand out awards after the first weekend of the rule.

From early trends to the most -- and least -- surprising performances, this is what stood out from baseball's return.

Emerson Hancock pitched six hitless innings for the Mariners in his season debut before being removed from the game by manager Dan Wilson.

Tatsuya Imai allowed three hits and four runs with four walks and four strikeouts in 2 2/3 innings in his debut for the Astros on Sunday, a 9-7 win over the Angels.

Bo Bichette heard his first boos from Mets fans as he has struck out eight times in his first three games. "I thought my at-bats were terrible, too," he said.

Munetaka Murakami of the Chicago White Sox and Chase DeLauter of the Cleveland Guardians have accomplished something in the last week that had been done only twice before: homering in each of their first three games.

The Blue Jays started the 50th season in team history by striking out 50 batters in their opening series against the Athletics, setting the major league record for strikeouts in the first three games of the season.

Blue Jays manager John Schneider received a handwritten letter from NBA coach Steve Kerr about how to deal with his World Series Game 7 heartbreak.

Rangers ace Jacob deGrom, who was scratched from Saturday's start because of neck stiffness, said he feels "much better" and is hopeful he can pitch this week.

With nowhere to run on the basepaths, the Dodgers' Freddie Freeman walked toward a smiling Ketel Marte, who tagged him out with a hug to end the second inning of Saturday night's game.

Guardians rookie Chase DeLauter became the second player in MLB history to have four homers in his first three games, going deep in the 10th inning to lift Cleveland to a 6-5 win over Seattle on Friday.

The Braves rallied from a 2-0 deficit in the ninth by scoring six runs, capped by Dominic Smith's walk-off grand slam that gave Atlanta a 6-2 win over the Royals on Saturday night.

Luis Robert Jr. hit a walk-off three-run homer in the bottom of the 11th inning Saturday, rallying the Mets to a 4-2 win over the Pirates.

Thanks to "obsessive" preparation by manager Aaron Boone, the Yankees have had some early success with the new Automated Ball-Strike System.

The Washington Nationals acquired utility player Curtis Mead from the Chicago White Sox on Saturday in exchange for catcher Boston Smith.

Blue Jays lefty Mason Fluharty left Saturday's game against the Athletics in the seventh inning after being struck on the right leg by consecutive infield singles.

The Rangers scratched pitcher Jacob deGrom from his scheduled start against the Phillies because of neck stiffness.

The Marlins have placed infielder Christopher Morel on the 10-day injured list because of a left oblique strain.

Dodgers closer Edwin Diaz said it was "pretty fun" hearing his trumpets entrance music at Dodger Stadium for the first time before he locked down his first save with his new team in Friday night's 5-4 win over the Diamondbacks.