Detroit Tigers right-hander Casey Mize (groin) is eligible to be reinstated from the 15-day injured list on Friday, and he could return to the team's starting rotation to make the start on Saturday against the Toronto Blue Jays, according to Chris McCosky of The Detroit News. Mize will be a riskier fantasy option this weekend if he makes his first start since late April due to a right-adductor strain. He threw a batting practice session this week, but it appears that he is going to return to the big-league roster without making a minor-league rehab assignment. The 29-year-old former first overall pick out of Auburn in the 2018 MLB draft was looking great before getting hurt, going 2-2 with a 2.90 ERA (2.85 FIP) and 1.19 WHIP with 35 strikeouts and 11 walks in 31 innings across his first six starts, and he was a first-time All-Star for Detroit last season. Mize doesn't have the kind of high-end upside that other arms have because of his lack of strikeouts, but he will have a decent matchup on Saturday if he faces the Blue Jays, who rank 24th in baseball with a .684 OPS.

Houston Astros relief pitcher Bryan King let a one-run lead slip away on Wednesday night, and even though his team rallied to beat the Mariners, he may not be the go-to option for saves in Houston for long. He walked in the tying run and issued three free passes while also giving up an infield single. He escaped a bases-loaded jam, and Bryan Abreu worked a scoreless 10th inning to get the win. King's three walks were the first he allowed in six appearances, so hopefully the weaker command was an outlier. Both Abreu and Enyel De Los Santos pitched effectively in this game and would be the team's next options if it moves away from King. Top closer Josh Hader is continuing his rehab and should return in the next few weeks as well, which will likely take away any save chances that are available in the short term. King is a fine short-term hold in deep leagues, but his fantasy window is closing, especially if his control becomes an issue.

Athletics relief pitcher Jack Perkins spun a scoreless ninth inning in a non-save situation on Wednesday night in his team's 6-2 win over the Cardinals. An insurance run in the bottom of the eighth inning kept it from being a save situation, but the team's bullpen was set up for him to get the save if there was one. He allowed a single and hit a batter, but he struck out Alec Burleson to seal the victory. Perkins is 2-1 in his 11 games with a 3.86 ERA, three saves, and an impressive 1.88 FIP. His 30.6% K% makes him a great closer candidate, and he has a slight edge over Hogan Harris and Joel Kuhnel in the team's committee at this point. The committee and its uncertainty keep him from being an elite option, but he's clearly the team's top reliever for fantasy at this point, and worth a look if you're seeking saves on the waiver wire.

Arizona Diamondbacks relief pitcher Paul Sewald took a tough loss on Wednesday night, letting a game get away against the Texas Rangers after his team rallied in the top of the ninth. Arizona scored three times to take a 5-3 lead into the bottom of the ninth, but Sewald ran into trouble after getting the first two outs of the inning. He gave up a game-tying single to Jake Burger as one of the three hits he allowed, and after he was removed, Juan Morillo allowed one of his inherited runners to score on a walk-off single by Danny Jansen. Sewald's loss dropped him to 0-4 on the year with a 4.70 ERA and 4.35 FIP. He had nine saves in nine opportunities before Wednesday's blown save, and the veteran righty should remain the clear closer for the Snakes at this point. Sewald's peripheral numbers aren't elite, but as a volume producer of saves, he still has value as long as he remains the team's top closer. However, this is a situation to keep an eye on, as it could become a pattern that costs him his role.