Mayer (knee) is scheduled to play in a Triple-A game on the back fields of Red Sox camp Monday, Ian Browne of MLB.com reports.

Mayer was scratched from the lineup ahead of Sunday's 7-2 win over the Twins due to a sore left knee, but manager Alex Cora downplayed the injury afterward, noting that the 23-year-old was scheduled to return to action Tuesday versus Atlanta. While that still could come to pass, Mayer is evidently feeling even better than the Red Sox anticipated a day later, resulting in him being cleared to play in the minor-league contest. Mayer has enjoyed a solid spring thus far with an .816 OPS in 27 plate appearances, so assuming he can avoid any further health-related setbacks this week, he should be in good position to open the season as the Red Sox's primary second baseman.

Adames went 0-for-3 with an RBI in Sunday's 7-1 Cactus League win over the Brewers.

Adames' spring struggles continued Sunday, though he did hit a sacrifice fly in the sixth inning to drive in San Francisco's final run. The 30-year-old shortstop has appeared in 13 Cactus League games thus far, slashing .108/.150/.189 with five RBI, two runs scored, one home run and one stolen base across 40 plate appearances during that span. Adames delivered mixed results during his first campaign with the Giants in 2025, logging 30 long balls and 12 stolen bases while slashing .225/.318/.421 over 685 plate appearances.

Holliday (hand) said he'll begin taking live at-bats this week, Andy Kostka of TheBaltimoreBanner.com reports.

Holliday has been hitting off a tee for the last 10 days or so and keeps progressing in his return from a broken hamate bone in his right hand. Holliday is unsure if he'll see any Grapefruit League action this spring, but he's hopeful for a short stint on the injured list to begin the season and could even be in the lineup for Triple-A Norfolk's season opener in 11 days, according to Roch Kubatko of MASNSports.com. Blaze Alexander and Jeremiah Jackson will be candidates for early-season playing time at second base while Holliday is sidelined.

Manager Terry Francona said Monday that McLain will bat second in the order this season, Charlie Goldsmith of Fox 19 Now Cincinnati reports.

It's not unexpected, but it's notable confirmation from Francona. McLain, of course, started out last season batting second but was hitting under .200 until late June and was quickly bumped down to the nine spot in the lineup. The 26-year-old, however, has been swinging a scorching hot bat this spring, slashing .553/.605/1.105 with six home runs, 13 RBI, 15 runs scored, two stolen bases and a 5:4 BB:K across 43 plate appearances. He's been a fast riser up fantasy draft boards and appears set to hit in front of Elly De La Cruz this season.

Neto (wrist) will hit off the tee and take live batting practice Monday, Jeff Fletcher of The Orange County Register reports.

Neto also clarified that he sustained a small sprain to his left wrist, not the hand, as previously reported Saturday. The shortstop said that he's feeling good, and he expects to play Tuesday, either in a minor-league game or in the Angels' Cactus League contest versus the Cubs, per Fletcher. Neto should have plenty of time this week to pick up more at-bats and get himself ready for Opening Day.

Mayer (knee) is expected to rejoin Boston's Grapefruit League lineup Tuesday against Atlanta, Jen McCaffrey of The Athletic reports.

The 22-year-old was scratched from Sunday's spring lineup due to left knee soreness and will rest again Monday, but the injury doesn't appear to be a serious concern. After posting a .674 OPS in 44 regular-season games as a rookie last season, Mayer's .816 OPS through 27 plate appearances in spring training put him in strong position to win the starting job at second base to begin 2026.

The Yankees reassigned Luciano to minor-league camp Sunday.

Once a prized prospect in the Giants organization, Luciano's luster has dimmed while he's shown defensive limitations and has slashed a collective .217/.286/.304 over 126 plate appearances across multiple abbreviated stints in the majors. He was claimed off waivers by two other organizations this winter before landing with the Yankees, who outrighted him off the 40-man roster in February. After he was unable to win a spot on the Yankees' Opening Day squad, Luciano should be ticketed for a full-time role at Triple-A Scranton/Wilkes-Barre this season.

Lindor (hand) played four innings at shortstop while making his spring debut in Sunday's Grapefruit League game against the Blue Jays, but afterwards he wouldn't commit to being ready for Opening Day despite saying that he has "checked every single box," Anthony DiComo of MLB.com reports.

The 32-year-old went 1-for-3 with a run scored and a strikeout in his first game action since undergoing surgery in mid-February to repair a fractured hamate bone in his left hand. Lindor will continue ramping up toward playing a full game, and he certainly appears to be trending toward being available for the start of the regular season, even though that's not yet official.

Koss went 2-for-3 with a run scored in Saturday's 8-7 Cactus League loss to the Diamondbacks.

Koss singled in the fourth inning and came around to score before adding another single in the sixth. He's gotten on base frequently through 13 Cactus League appearances, slashing .423/.545/.423 with six runs scored, six RBI and a stolen base across 33 plate appearances during that span. The 28-year-old appears likely to earn a spot on the Opening Day roster in a utility role after making his big-league debut with the Giants last season, though Tyler Fitzgerald also remains in the mix for that role.

Pena (finger) said Saturday that he's been swinging a bat with one hand, throwing plyometric balls and fielding groundballs during his rehab program, Chandler Rome of The Athletic reports.

The 28-year-old was diagnosed with a fracture in the tip of his right ring finger in early March, sidelining him for the World Baseball Classic and putting his availability for Opening Day into question. Pena's current participation in baseball activities is encouraging, and at this point, he's just awaiting clearance to throw and swing with both hands. Once fully cleared, the shortstop doesn't expect to need many at-bats before being ready for MLB action, so he still has a chance to be ready by Opening Day.