Wily Peralta
Wily Peralta
30-Year-Old PitcherRP
Kansas City Royals
2019 Fantasy Outlook
The Royals brought Peralta up from Triple-A Omaha in June and he was almost immediately inserted into the closer role, taking the spot vacated by Kelvin Herrera. It was a surprise given that Peralta had struggled 4.37 ERA and 1.63 WHIP with Omaha. While the ratios didn't improve a whole lot with the big-league club, Peralta managed to convert all 14 of his save opportunities. His stuff has played up in the bullpen since he fizzled out as a starter for Milwaukee, but Peralta doesn't have much of an idea of where the ball is going as evidenced by his 15.4% walk rate last season. After reworking his contract with Kansas City, Peralta will return to the Royals and perhaps to the closer role to begin 2019. There's an outside chance the right-hander will learn to better harness his arsenal and build on his 2018 success. Read Past Outlooks
RANKSFrom Preseason
#439
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$Signed a one-year, $3.25 million contract with the Royals in October of 2018. Contract includes a $7 million mutual option ($1 million buyout) for 2020.
Secures second win
PKansas City Royals
April 17, 2019
Peralta (2-1) earned the win against the White Sox on Wednesday by giving up two hits and a walk over two innings. He had one strikeout and was charged with a blown save for allowing an inherited runner to score.
ANALYSIS
Peralta entered with the bases loaded and nobody out during the eighth inning, and although he was unable to preserve the 3-2 lead, managed to get through the inning with the game still tied. The 29-year-old has allowed six runs over nine innings and has a 4:5 K:BB, but has not given up an earned run across his last three appearances.
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Pitching Stats
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Left/Right Pitching Splits
Since 2017
 
 
-3%
BAA vs LHP
2019
 
 
-16%
BAA vs LHP
2018
 
 
-30%
BAA vs LHP
2017
 
 
-15%
BAA vs RHP
BAA Batters K BB H 2B 3B HR
Since 2017vs Left .276 262 57 35 61 18 1 10
Since 2017vs Right .285 285 50 36 70 16 1 7
2019vs Left .240 55 12 5 12 3 0 3
2019vs Right .286 74 8 11 18 3 0 0
2018vs Left .190 81 20 14 12 2 1 2
2018vs Right .271 68 15 9 16 1 1 2
2017vs Left .343 126 25 16 37 13 0 5
2017vs Right .290 143 27 16 36 12 0 5
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Home/Away Pitching Splits
Since 2017
 
 
-30%
ERA on Road
2019
 
 
-56%
ERA on Road
2018
 
 
-53%
ERA on Road
2017
 
 
-21%
ERA on Road
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2017Home 6.68 1.69 68.2 4 4 8 7.5 4.8 1.4
Since 2017Away 4.67 1.59 54.0 4 2 7 8.3 5.7 1.0
2019Home 5.82 1.65 17.0 1 2 1 5.3 5.3 1.1
2019Away 2.57 1.29 14.0 1 0 0 6.4 3.9 0.6
2018Home 4.57 1.43 21.2 1 0 7 10.4 5.8 0.8
2018Away 2.13 1.58 12.2 0 0 7 7.1 6.4 1.4
2017Home 8.70 1.90 30.0 2 2 0 6.6 3.9 2.1
2017Away 6.91 1.76 27.1 3 2 0 9.9 6.3 1.0
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Stat Review
How does Wily Peralta compare to other relievers?
This section compares his stats with all relief pitcher seasons from the previous three seasons (minimum 30 innings)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.

* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against this season's data (min 20 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
  • K/BB
    Strikeout to walk ratio.
  • K/9
    Average strikeouts per nine innings.
  • BB/9
    Average walks per nine innings.
  • HR/9
    Average home runs allowed per nine innings.
  • Fastball
    Average fastball velocity.
  • ERA
    Earned run average. The average earned runs allowed per nine innings.
  • WHIP
    Walks plus hits per inning pitched.
  • BABIP
    Batting average on balls in play. Measures how many balls in play against a pitcher go for hits.
  • GB/FB
    Groundball to flyball ratio. The higher the number, the more likely a pitcher is to induce groundballs.
  • Left On Base
    The percentage of base runners that a pitcher strands on base over the course of a season.
  • Exit Velocity
    The speed of the baseball as it comes off the bat, immediately after a batter makes contact.
  • Barrels/BBE
    The percentage of batted ball events resulting in a Barrel. A Barrel is a batted ball with similar exit velocity and launch angle to past ones that led to a minimum .500 batting average and 1.500 slugging percentage.
  • Spin Rate
    Spin Rate is the rate of spin on a baseball after it is released. It is measured in revolutions per minute (rpm).
  • Balls Hit 95+ MPH
    The percentage of batted balls hit that met or exceeded the 95 MPH threshold.
  • Swinging Strike
    The percentage of pitches that result in a swing and a miss.
K/BB
1.25
 
K/9
5.8
 
BB/9
4.6
 
HR/9
0.9
 
Fastball
94.5 mph
 
ERA
4.35
 
WHIP
1.48
 
BABIP
.286
 
GB/FB
1.40
 
Left On Base
74.2%
 
Exit Velocity
90.1 mph
 
Barrels/BBE
9.1%
 
Spin Rate
1881 rpm
 
Balls Hit 95+ MPH
42.0%
 
Swinging Strike
9.5%
 
Advanced Pitching Stats
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Defensive Stats
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Recent RotoWire Articles Featuring Wily Peralta
Mound Musings: Checking the AL Bullpens
39 days ago
Brad Johnson examines American League closer situations, and in Texas he anticipates Jose LeClerc will regain the closing job he recently lost.
Oak's Corner: First Week’s in the Books
73 days ago
Scott Jenstad reviews the first week of the season and notes the impressive play of Dodger Cody Bellinger, who already has five homers and nine runs.
Mound Musings: Who Are These Guys?
74 days ago
Brad Johnson examines whether new pitchers like Milwaukee’s Corbin Burnes, whose values are often unknown, can help fantasy players achieve the optimal pitching staff.
Regan's Rumblings: Opening Week Observations
75 days ago
Dave Regan shares his observations of the early days of the baseball season, including a look at Cody Bellinger's new swing. Has Bellinger found his power stroke again?
AL FAAB Factor: Waiver Pickups of the Week
78 days ago
Erik Siegrist looks over the AL free-agent pool and notes a number of bullpens in turmoil, as well as a young slugger getting a shot in Toronto.
Past Fantasy Outlooks
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
The Brewers were hoping for Peralta to pick up where he left off in 2016, when he posted a 2.92 ERA over 10 second-half starts, and he got off to a good start in 2017, picking up the win in his first three outings. He was knocked around in his next start, though, and never recovered, first moving to the bullpen, and then making his final big-league appearance for the Brewers on July 27 before ultimately being outrighted to the Triple-A ranks. Hoping to get back on track in a new environment, Peralta latched on with the Royals during the offseason. He signed a major-league deal, so chances are good he breaks camp with the big club. He will likely be used in a bullpen role, however -- and in middle-to-long relief -- so it's a long shot he will be of much help to fantasy players.
Peralta's awful 2015 bled into his 2016, as he simply could not figure things out. He finished April with a 7.40 ERA in five starts and didn't improve through mid-June, when he and his 6.68 ERA were mercifully jettisoned to the minor leagues. The demotion seemed to work for Peralta, who came back to Milwaukee in August a much better pitcher. He recorded seven quality starts in 10 outings after his promotion, finishing with a 2.92 ERA and 51 strikeouts over 61.2 innings to close the season. Stuff has never been the problem for Peralta, whose heavy mid-90s fastball has good movement and can be paired with a vicious, albeit wild, slider to fuel his groundball-first approach. Peralta's performance down the stretch might have saved his career as a starter. He will only be 28 next season, so there's reason to believe the best has yet to come if he can carry the momentum of his strong finish forward.
Peralta missed almost nine weeks on the disabled list with a strained oblique and was never able to get his season on track. In 108.2 innings, Peralta allowed a career-high 4.72 ERA. He couldn't find his fastball for much of the season, and finished with an average velocity of 94.3 mph, down 1.5 mph from 2014. Peralta lives on that power, as he lacks a putaway pitch and needs the oomph of a high-90s fastball to consistently rack up strikeouts. After striking out at least six batters per nine innings throughout his career, Peralta's K/9 dropped to 5.0, and he is too wild (3.2 career BB/9) to survive in the majors without those strikeouts. Peralta still is able to induce plenty of groundballs (51.2 percent) but needs to rediscover his fastball if he's going to break out in 2016.
Peralta followed up a strong finish to the 2013 campaign with a breakout season in 2014, pitching nearly 200 innings and winning 17 games, tied for the eighth-most in the league. He showed off an impressive two-pitch combination of a high-90s sinking fastball and a hard-breaking slider, and while he did not post big strikeout numbers, he did improve slightly in that area after the All-Star break. Peralta will turn just 26 in May, so there’s no reason to believe he can’t take another step forward in 2015.
Peralta’s first full season in the bigs got off to a rough start, as he sat with a 6.08 ERA on June 16. He turned things around in a big way, however, as he posted a 3.05 ERA over his final 17 starts. Peralta did not post big strikeout numbers last season, but he throws a mid-90s fastball and a biting slider, and comes with a pedigree, ranking as a top-70 prospect in all of baseball before the last two years. Peralta’s late-season numbers hint at his upside, and he could be a late-round surprise in 2014.
Peralta had only an average season with Triple-A Nashville, posting a 4.66 ERA and 1.58 WHIP, but he surprisingly dominated in a late-season stint with the Brewers, flashing his dominant fastball and slider and posting a 2.25 ERA in his five starts. Peralta's showing with the Brewers reaffirmed his status as a top prospect and gives him an outside shot to open 2013 in the major league rotation.
Peralta has moved swiftly up the Milwaukee minor league system the last two seasons. He struck out a combined 157 in 152.2 innings between Double-A Huntsville and Triple-A Nashville in 2011. The Brewers will likely give him a long look during spring training to see if he can win a rotation spot or even a bullpen role. Scouts are very high on Peralta's potential as a future starter, though he may not get the opportunity out of the chute in 2012.
Peralta is one of Milwaukee's better pitching prospects and he pitched well in 2010. He posted a 3.60 ERA in 105 IP at High-A Brevard County and a 3.61 ERA in 42.1 innings for Double-A Huntsville. The only bad aspect of his season was that his strikeout rate plummeted from his previous seasons. The Brewers are still high on Peralta, and he'll likely start 2011 back at Double-A Huntsville.
Peralta had a 3.49 ERA and a 10.3 K/9IP ratio in 103.2 innings for Low-A Wisconsin in 2009. He has a good fastball and slider, but needs to refine a third pitch in order to make a successful jump as a starting pitcher. Peralta has also been held back by a high number of walks, not unlike many young pitchers. He has the talent to be a good bullpen arm or back of the rotation guy if he can iron out the kinks.
Peralta had an impressive 36:8 K:BB ratio in 29.1 innings for Rookie Level Helena in 2008. He was signed out of the Dominican in 2006 as a 17-year-old with potential so keep an eye on him as he progresses through the system.
More Fantasy News
Earns first save
PKansas City Royals
April 13, 2019
Peralta secured the save in Saturday's 3-0 win over the Indians by not allowing a baserunner during the ninth inning. He did not record a strikeout.
ANALYSIS
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Falters versus Tigers
PKansas City Royals
April 6, 2019
Peralta was charged with a blown save as he allowed two runs on one hit and one walk over two-thirds of an inning during Saturday's loss to the Tigers.
ANALYSIS
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Can't close door against Twins
PKansas City Royals
April 3, 2019
Peralta (0-1) took the loss Wednesday, allowing one run on a hit and a walk in an inning of relief as the Royals fell 7-6 to the Twins.
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Poor showing Monday
PKansas City Royals
March 12, 2019
Peralta retired two of the four batters he faced in Monday's 6-2 loss to the Rangers in Cactus League play. He conceded a double and a base hit and struck out one in the outing.
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Role still undetermined
PKansas City Royals
February 13, 2019
Manager Ned Yost would not name Peralta as Kansas City's closer ahead of spring training, Jeffrey Flanagan of MLB.com reports. "The roles will define themselves over time," Yost said.
ANALYSIS
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