The Cardinals selected Prieto's contract from Triple-A Memphis on Friday.

Prieto is a high-contact, low-power infielder who has slashed .296/.358/.453 with 10 home runs with a 13.4 percent strikeout rate this season at Memphis. He's capable of handling second base, third base and shortstop and will likely operate in a reserve role. Prieto will be making his major-league debut when he gets into a game.

Machin cleared waivers and accepted an assignment to Triple-A Norfolk, Roch Kubatko of MASNSports.com reports.

The Orioles designated Machin for assignment Wednesday, and the 31-year-old will remain in the organization. Machin has slashed .285/.344/.470 in 442 plate appearances with Norfolk this season.

The Cardinals will select Prieto's contract from Triple-A Memphis on Friday, Derrick Goold of the St. Louis Post-Dispatch reports.

Prieto will be making his MLB debut when he gets into a game. A previous report had indicated the 26-year-old second baseman would join the team Thursday against the Pirates, but he'll be called up in time for a three-game weekend road series against the Reds instead. Prieto has slashed .296/.358/.453 with 10 home runs and 11 stolen bases in 450 plate appearances with Memphis this season

The Marlins activated Norby (wrist) from the 10-day injured list Friday, Daniel Alvarez-Montes of ElExtraBase.com reports.

As expected, Norby will rejoin the active roster ahead of Friday's series opener against the Mets. The third baseman had been sidelined since July 13 due to a fractured hamate bone in his left wrist that required surgery. He slashed .241/.289/.364 in 273 plate appearances this season before the injury. Maximo Acosta was optioned to Triple-A Jacksonville in a corresponding move.

The Cardinals are expected to select the contract of Prieto on Thursday, Francys Romero of BeisbolFR.com reports.

The Cardinals acquired Prieto in 2023, and he's spent the last two full seasons at Triple-A. He has a solid .811 OPS across 450 plate appearances, good for 113 wRC+. The team's plans for Prieto are unclear, though they'll need to formally select his contract before the move is official.

Vargas exited Thursday's game against the Yankees due to left wrist contusion.

Vargas attempted to field an errant throw at first base and collided with Aaron Judge, and the result was his wrist being bent backward. While the initial diagnosis is a contusion, Vargas will undergo further imaging and a stint on the injured list appears likely.

Vargas exited Thursday's game against the Yankees with an apparent injury to his left wrist, Scott Merkin of MLB.com reports.

Vargas was attempting to field an off-line throw at first base but collided with Aaron Judge, bending his arm and wrist backwards. Vargas remained down on the field with what looked to be a potentially serious injury. Before exiting, he went 1-for-3 with a grand slam.

Norby (wrist) will be activated off the injured list Friday,Stephen Strom of Marlins Radio Network reports.

Norby has been sidelined since July 13 and has been on a rehab assignment for around two weeks. He's gone 10-for-25 with three home runs during the rehab stint and should immediately return to playing nearly every day at third base.

Manager Oliver Marmol said Thursday that Arenado will return to St. Louis in the coming days to have his injured right shoulder examined by team doctors so that the Cardinals can map out a potential rehab assignment for him, John Denton of MLB.com reports.

Arenado has been rehabbing his right shoulder strain at the club's spring training complex in Florida and is still in the early stages of a throwing program. If he gets good news from his visit with team doctors, Arenado could be cleared for rehab games before long. Nolan Gorman has been serving as the Cardinals' primary third baseman since Arenado landed on the injured list Aug. 1.

McMahon went 1-for-4 with a three-run home run against Washington in an 11-2 win Wednesday.

On a day when New York hit six long balls as a team, McMahon got in on the action with a three-run blast in the third inning. It was just the second homer McMahon has hit across 28 contests since being dealt to the Yankees on July 25, and this was his first one at home. The veteran third baseman hasn't done much with the bat since the trade, as he's posted a .649 OPS with a 32.0 percent strikeout rate during that 28-game stretch, though he's walked at a healthy 12.0 percent rate.