2023 Fantasy Baseball Week 4 Waiver Wire

by Connor Thomure
2023 Fantasy Baseball Week 4 Waiver Wire

Welcome to the 2023 Fantasy Baseball Week 4 Waiver Wire.

This week on the waiver wire: Jonah Heim makes his case to be a top-12 catcher, Kyle Bradish throws a quality start in his first game back from injury, and Jack Suwinski might be the hottest waiver wire pickup this week.

These three players and three other 2023 Fantasy Baseball Week 4 Waiver Wire adds are discussed. Below them is one more player to target in deeper leagues.

For our All-Access Members, an additional 22 batters and 18 pitchers can help you win your week. Members also will unlock the DapScout FAAB Pick of the Week!

2023 Fantasy Baseball Week 4 Waiver Wire

Top Waiver Adds

Mason Miller, SP, Oakland Athletics

The Oakland Athletics recalled former third-round pick Mason Miller this week. The pitching prospect is known for his overpowering fastball, and he showed it during his MLB debut on Wednesday, April 19.

Of his 81 pitches, 51 were fastballs, and Miller averaged 99.5 MPH with them. He recorded four strikeouts with the fastball as well. Currently, Miller is a one-trick pony, and eventually, it will catch up to him, but for now, he is worth grabbing.

Miller is scheduled to pitch Tuesday against the Los Angeles Angels, then again on Sunday versus the Cincinnati Reds. He is a two-start pitcher with favorable matchups in both games. Add him while you can.

Jonah Heim, C, Texas Rangers

Jonah Heim is the top catcher to get on the 2023 Fantasy Baseball Week 4 Waiver Wire. With Mitch Garver on the injured list for the next four weeks, Heim will earn the bulk of the starts for the Texas Rangers.

Heim has produced well in the early going this season, slashing .313/.382/.604 with two doubles and four home runs in 55 plate appearances. The Rangers catcher leads all MLB catchers with 12 runs and is tied for the lead with 14 RBI. Heim's wRC+ (172) is fifth best among catchers with at least 40 plate appearances.

The switch hitter has spread his base hits across the field. This, combined with a career-best 11.4%-barrel rate, has pushed Heim to his success this season. I believe Heim has what it takes to finish as a top-12 catcher, and he needs to be rostered as such.

Kyle Bradish, SP, Baltimore Orioles

Kyle Bradish earned a fair amount of hype and attention this off-season and spring training. Still, after an injury in his first game of the season, most Fantasy managers seemingly forgot about him and placed him on the afterburner (me included).

Bradish, however, is back and still just as good as advertised. His second appearance came Wednesday, April 19, against the Washington Nationals. He allowed five hits and one walk in six shutout innings with six strikeouts. Bradish earned the win and a quality start.

Bradish uses a five-pitch mix that keeps batters guessing at the plate. This has led to an awe-inspiring 61.9% groundball rate. If Bradish can keep this up, he will be one of the steals of the Fantasy season.

Heading into this week, Bradish lines up as a two-start pitcher. He faces the Boston Red Sox at home on Tuesday, then plays the Tigers in Detroit on Sunday. Pick him up while he's still available, and don't look back.

Jack Suwinski, OF, Pittsburgh Pirates

If you have not done so, I encourage you to check out Jack Suwinski's Baseball Savant. Here are some of my favorite stats from it. His xwOBA (.497), Barrel rate (28.6%), and xSLG (.797) are all in the 100th percentile.

Then my following favorite stats are his average exit velocity (95.5 MPH), chase rate (14%), walk rate (16.7%), and hard-hit rate (57.1%), which are all in the 92nd percentile or higher.

Despite all this, Suwinski has a roster percentage of just 3%, according to FantasyPros player rater. He's slashing .244/.365/.634 with seven runs and ten RBI. The young outfielder has also belted one double and five home runs. Fantasy managers shouldn't expect Suwinski to dominate all season long, but that is no reason not to add him to the roster. He is on fire and can help any team win the week.

Jake Burger, 3B, Chicago White Sox

Jake Burger doesn't just hit home runs; he demolishes them. Eight of his nine hits this season have gone for extra bases, including five for home runs. This has led Burger to drive in 10 RBI and score six runs in just 12 games.

Burger ranks second in slugging percentage (.862) among all players with at least 30 plate appearances, behind only Adam Duvall. The White Sox third baseman also has the highest barrel rate (35%) and expected slugging percentage (.953) among the same group of players.

Coming into the season, I listed Burger as a rising player in my 2023 Fantasy Baseball Third Base Preview. My only concern with Burger is what the White Sox will do with him once Yoan Moncada returns from the injured list. The two may split time, limiting the Fantasy value of both players. There's also a chance that Burger slides into the designated hitter role or moves to first base.

Nonetheless, let's worry about that when we get there and ride the hot streak the former first-round pick is providing.

Peyton Battenfield, SP, Cleveland Guardians

Peyton Battenfield is coming off his first career quality start after allowing just one earned run in six innings of work against the Detroit Tigers. Through his first 10.2 innings, Battenfield has allowed seven hits, three walks, and two earned runs while striking out eight batters.

The rookie's best pitch is his cutter which he's thrown 52% of the time. He's recorded all eight strikeouts with this pitch. His second favorite is the four-seam fastball. He's thrown the four-seamer 32% of the time. It's not very fast (averaged 91.2 MPH), but it has plenty of spin, allowing it to be a useful pitch. Lastly, Battenfield throws a curveball 14.4% of the time with a whiff rate of 33.3%.

The best thing going for him is his chase rate (33.7%) and chase contact (50%). The chase rate is above league average, while the chase contact rate is below league average. This means Battenfield is getting more batters to swing and miss on pitches outside the zone than the average pitcher. His whiff rate (31.3% is also much better than the MLB average (24.7%).

Battenfield is scheduled to pitch on Monday, April 24, against the Colorado Rockies. Then again, on Sunday, April 30, at Fenway Park against the Boston Red Sox.

Deep League Add

Jarren Duran, OF, Boston Red Sox

Jarren Duran is back with the big-league club after starting the season in Triple-A. Through five games, he has seven hits (four doubles) with two runs, six RBI, and one stolen base. Fantasy managers can only hope this is the surge to keep Duran up for good.

He's struggled in his previous stints in the majors. In 2021 he slashed .215/.241/.336 in 112 plate appearances. In 2022 he slashed .221/.283/.363 in 223 plate appearances. Thus far, in 2023, he's slashing .412/.429/.647. It's early, but it's a good sign.

I'm only willing to add him in 14-team or deeper leagues. He's batting at the bottom of the lineup, limiting his value. If he continues to play well and lock down an everyday job, I'd be willing to add him in 12-team leagues.

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