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Mason Miller, RHP, Athletics: The A’s have decided to use Miller as a dominating reliever this year instead of trying to start him, with the hope that it will help him stay healthy. Miller is definitely showing he can dominate out of the pen. On Monday, he struck out all three batters he faced. He struck out Tyler Fitzgerald on four pitches, getting two swings and misses with 100 mph fastballs before dotting 101 on the outer edge for strike three. He then struck out Marco Luiciano with a called strike two on a slider and a swing strike three on another slider. Miller then blew Blake Sabol away with a pair of 101 mph fastballs before finishing him off with an 88-mph slider. Miller has now struck out 14 in 7.2 innings this spring.

Yuki Matsui, LHP, Padres: Matsui doesn’t blow hitters away. His fastball sits at 91-92 mph usually, but no one has figured out how to hit his slider. That was apparent once again in his one inning of work against the Mariners on Monday. Mastui struck out three of the four batters he faced in a scoreless inning of work. He’s now struck out eight of the 11 batters he’s faced in spring training, while allowing no walks, one single and one double.

Joey Ortiz, INF, Brewers: Fresh off of finding out that he’s made the big league roster, Ortiz celebrated by going 2-for-3 with a home run. It was Ortiz’s first multi-hit game of the spring and his second home run. Ortiz is now hitting .216/.326/.459. He’s not slated to be a starter for the Brewers, but his excellent glove should give him playing time at second and third base and shortstop.

Damiano Palmegiani, 1B, Blue Jays: Palmegiani got the start in place of Vladimir Guerrero Jr. in Toronto's final Grapefruit League game of the spring. The Blue Jays' No. 19 prospect went 2-for-3 in the game, his home run came off former Blue Jay Ryan Borucki in the top of the fifth inning. Palmegiani hit a 96 mph sinker from Borucki to center field at 108.4 mph off the bat, traveling 428 feet. Palmegiani should begin the season with Triple-A Buffalo with a chance to make his major league debut in 2024.

Clayton Beeter, RHP, Yankees: According to a report from the New York Post, Beeter has made the Yankees' Opening Day roster. Beeter, who checks in at No. 16 on his team's current Top 30 list, was acquired from the Dodgers in the deal that sent Joey Gallo to Los Angeles in 2022, has been excellent in the Grapefruit League this spring. The 2020 supplemental second rounder punched out 17 in as many innings while issuing six walks. When he debuts, Beeter will be the third member of the Dodgers' 2020 draft class to make the big leagues, joining righties Bobby Miller and Gavin Stone.

Jared Jones, RHP, Pirates: The Pirates' system is built on pitching, and one of its lustrous gems is Jones, who was taken in the second round of the 2020 draft out of high school in California. After going through growing pains in the early stages of his career, Jones broke out in a big way in 2023, when he struck out 146 hitters between Double-A and Triple-A. The righthander's stock has only risen further this spring thanks to a dynamic Grapefruit League run that saw him bring his fastball into the triple-digits and striking out 15 hitters in 16.1 innings. Now, the Pirates' No. 3 prospect is just days away from his big league debut.

Want to get ahead? Each day we’ll surface one prospect from recent Baseball America coverage who could be on the rise.

The Mariners May Have Done It Again

Logan Evans, RHP, Mariners: Evans was a nondescript 12th-round pick out of Pittsburgh a year ago, but Baseball America’s J.J. Cooper saw a vastly improved version of Evans last week in spring training. The righty showed increased velo and a deeper pitch mix that suggests he could rise up our Mariners rankings in relatively short order if he holds those gains once the season begins.