The Mariners designated Hagen Danner for assignment. (Source: Daniel Kramer on Twitter)

Fantasy Impact: The move was made to make room for Friday's starter Luis F. Castillo. Danner will head to the waiver wire.

Adam Ottavino has been designated for assignment by the Yankees. (Source: Yankees PR on X)

Fantasy Impact: This move will make room for a returning Devin Williams from the paternity list. Ottavino made two appearances in the last three days since being added to the Yankees' bullpen, allowing zero runs and striking out two in 1.1 innings.

Devin Williams has been reinstated from the paternity list. (Source: Yankees PR on X)

Fantasy Impact: Williams last pitched on opening day and has missed the last three games on the paternity list. Adam Ottavino was designated for assignment in a corresponding move.

The Pittsburgh Pirates optioned Ji Hwan Bae to Triple-A Indianapolis on Thursday. (Source: Pittsburgh Pirates on Twitter)

Fantasy Impact: Bae put together an impressive spring, slashing .381/.422/.595, but was optioned to Triple-A Indianapolis after an 0-for-4 start with three strikeouts to open the season. He’s likely to return to the big league club later this year. In a corresponding move, Alexander Canario was added to the 26-man roster.

The Pittsburgh Pirates added Alexander Canario to their 26-man roster on Thursday. (Source: Pittsburgh Pirates on Twitter)

Fantasy Impact: Canario was traded from the New York Mets to the Pittsburgh Pirates for cash considerations on Monday and has since joined the Pirates' major league roster. To make room, the team optioned Ji Hwan Bae to Triple-A Indianapolis. Canario is now one of six outfield-capable players on the active roster.

The Los Angeles Dodgers have placed first baseman Freddie Freeman on the 10-day injured list, retroactive to March 31, with an ankle injury. (Source: Bob Nightengale on X)

Fantasy Impact: In a freak incident, Freeman aggravated the ankle he injured during last year's postseason in a shower mishap this week. The Dodgers appear to be playing it safe with their prized slugger, who is off to a hot start with two homers and a double across his first 12 trips to the plate this season.

The Atlanta Braves have acquired catcher Jason Delay from the Pittsburgh Pirates in exchange for cash considerations. He was optioned to Double-A Columbus on Thursday. (Source: Atlanta Braves on Twitter)

Fantasy Impact: Delay was designated for assignment by the Bucs on Wednesday but has quickly found a new home. The 30-year-old is a career .231 hitter with two homers and a 69 wRC+ across 134 big-league appearances.

Braves reliever Jesse Chavez was optioned to Triple-A Gwinnett on Thursday but instead elected free agency. (Source: MLB.com)

Fantasy Impact: Chavez was in the midst of an incredible sixth stint with the Braves prior to Thursday's transactions. The veteran of 654 career appearances could certainly garner some interest on the open market after posting a rock-solid 3.13 ERA across 46 outings with the Braves last season.

The Atlanta Braves have placed right-hander Reynaldo Lopez on the 60-day injured list following shoulder surgery. (Source: Atlanta Braves on Twitter)

Fantasy Impact: It's unclear how much time Lopez will miss after surgery to asses potential structural damage in his right shoulder. For now, he is worthy of an injury stash in redraft leagues until more clarity on the situation reveals itself.

Seattle Mariners right-hander Luis F. Castillo is being promoted for a spot start Friday versus the Giants. (Source: Shannon Drayer on Twitter)

Fantasy Impact: Not to be confused with the Luis Castillo who earned the win over the Tigers on Wednesday, Friday will make the return of Luis F. Castillo to the majors. He last appeared in the big leagues in 2022 with the Tigers before spending the past two seasons in Japan's Nippon Professional Baseball league.

The Diamondbacks and Ketel Marte agreed to a six-year extension. (Source: Jon Heyman on Twitter)

Fantasy Impact: Marte gets locked up through the 2030 season with a player option in 2031. The deal includes a guarantee of $116,500,000 with a total value of $149,500,000 if salary escalator thresholds are reached. This was the expectation and it is now official for the All-Star second baseman.

The Dodgers are acquiring Esteury Ruiz from the Athletics. (Source: Alden Gonzalez on Twitter)

Fantasy Impact: Ruiz was designated for assignment by the Athletics over the weekend. He stole an AL-leading 67 bases in 2023. He'll add depth in the outfield for the Dodgers.

The Phillies have signed Buddy Kennedy to a minor-league deal. (Source: Todd Zolecki on Twitter )

Fantasy Impact: Kennedy cleared waivers after being designated for assignment, elected free agency, and then signed a minor league deal to remain in the organization. He will provide depth with Triple-A Lehigh Valley.

The Braves have acquired Michael Petersen from the Angels. (Source: Braves on Twitter)

Fantasy Impact: Petersen was removed from the 40-man roster Monday, but will now head to the Braves and provide depth. The 30-year-old was optioned to Triple-A Gwinnett.

The Padres have outrighted Tyler Wade to Triple-A El Paso. (Source: Padres on Twitter)

Fantasy Impact: Wade cleared waivers after being designated for assignment last Thursday. He will remain in the organization as a depth option.

The Mariners have recalled Leo Rivas from Triple-A Tacoma. (Source: Mariners PR on Twitter)

Fantasy Impact: Rivas will take the roster spot of Jorge Polanco, who was placed on the paternity list Tuesday. He will likely only spend a few days on the Mariners' roster.

The Mariners have placed Jorge Polanco on the paternity list. (Source: Mariners PR on Twitter)

Fantasy Impact: Polanco is now allowed to miss up to three games while on the paternity list. Leo Rivas was recalled from Triple-A Tacoma to take Polanco's spot on the roster.

The Mariners have selected the contract of Jhonathan Diaz from Triple-A Tacoma. (Source: Mariners PR on Twitter)

Fantasy Impact: Diaz will take the roster spot of Emerson Hancock, who was optioned in a corresponding move. Diaz will likely take Hancock's spot in the starting rotation.

The Mariners have optioned Emerson Hancock to Triple-A Tacoma. (Source: Mariners PR on Twitter)

Fantasy Impact: Hancock will head to the minors after allowed six earned runs in a rough outing Monday. Jhonathan Diaz was recalled in a corresponding move.

The Phillies have claimed Brett de Geus off waivers from the Marlins. (Source: Todd Zolecki on Twitter )

Fantasy Impact: de Geus has bounced around multiple organizations this year. He will be assigned to Triple-A Lehigh Valley as a depth option for the Phillies’ bullpen.