New York Mets pitcher Kodai Senga is attempting to reinvent himself as a relief pitcher. Senga has been working as a closer lately and has pitched extremely well in that role. During August, Senga has only given up one earned run while recording four saves in six appearances. The expectation is that Senga will continue being the closer until Devin Williams (shoulder) returns, which is likely at some point in September. Fantasy managers seeking help in the relief pitcher department should consider adding Senga while he's still the closer. Williams figures to take over as the closer once he's healthy, but it's unclear when that'll be right now.

Milwaukee Brewers outfielder Christian Yelich (rest) is out of the starting lineup ahead of Friday's game against the Atlanta Braves. Fantasy managers don't need to worry as this appears to be a routine rest day for Yelich. The Brewers are electing to rest Yelich against tough southpaw Chris Sale. Gary Sanchez will serve as the designated hitter and bat sixth during Friday's game. The Brewers are electing to give Yelich plenty of rest to keep him fresh for the postseason. The expectation is he'll be back on Saturday, but fantasy managers should get him out of their lineups on Friday.

Arizona Diamondbacks relief pitcher Justin Martinez recently made his season debut after missing a majority of the season while recovering from Tommy John surgery. Martinez threw a scoreless inning against the Boston Red Sox during his season debut on Tuesday. He is pitching in low-leverage situations right now, but could work his way into the closer role in Arizona. Martinez earned 14 saves between the 2024 and 2025 seasons with the D-Backs. This team doesn't have a lockdown closer at the moment after Paul Sewald lost the job. Martinez could quickly slide into the role if he continues to pitch well. He's someone to keep an eye on as a possible stash in September.

Kansas City Royals relief pitcher Steven Cruz has been working as the closer lately. He has earned four of the team's last five saves and appears to have a strong hold on the closer role right now. Cruz did give up two earned runs during his latest appearance against the Athletics on Wednesday. Outside of that, Cruz has looked good enough on the mound to warrant adding in deep leagues. Overall, Cruz owns a 4.37 ERA, 1.20 WHIP, and a 51/18 K/BB ratio across 45 appearances. There's enough value here to warrant scooping up Cruz in deep leagues.