Fantasy MLB: Top 5 Weekly Boom and Bust Players

In our regular season start/sit advice column we use our projections to tell you when you may want to sit a highly rated player and start a lowly rated player. We reviewed the season to identify players who have high boom rates and high bust rates. We are defining a 'boom week' as one where a player's position rank is much better than his overall average weekly rank. Mathmetically, we are using 50% of his average rank. So a player with an average rank of 30 would need to be ranked Top 15 to be considered a boom week. Conversely, a bust week is one where a player's rank is numerically 50% higher than their normal weekly rank.

The third baseman with the highest boom rate is Justin Turner whose per week average rank was #11. Out of 19 qualifying weeks, 7 were considered boom weeks. At the shortstop position, Xander Bogaerts was the leader in boom rate. Odubel Herrera, in an average week, is the #51 outfielder but he also has the highest bust rate at the position. In his 27 weeks, 13 were bad, busts. Players like Scooter Gennett and Xander Bogaerts are two of 6 players below who appear in both the boom and bust lists. These are the players who you'll want to carefully manage in terms of when to best start or sit because they rarely deliver an 'average' performance. The table below shows the player with the five highest boom and bust rates. The rank is based on the player's average position rank per week and not their season total fantasy points.

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HIGHEST BOOM% STARTING PITCHERSHIGHEST BUST% STARTING PITCHERS
Corey Kluber (#25 SP, 42% 11 of 26 Weeks)Lucas Giolito (#49 SP, 12% 11 of 26 Weeks)
Rick Porcello (#34 SP, 42% 11 of 26 Weeks)Jose Quintana (#40 SP, 26% 11 of 27 Weeks)
Luis Severino (#30 SP, 38% 10 of 26 Weeks)Jake Junis (#43 SP, 20% 10 of 25 Weeks)
Trevor Williams (#36 SP, 38% 10 of 26 Weeks)Rick Porcello (#34 SP, 42% 10 of 26 Weeks)
Marco Gonzales (#37 SP, 38% 9 of 24 Weeks)Trevor Williams (#36 SP, 38% 10 of 26 Weeks)
HIGHEST BOOM% CATCHERSHIGHEST BUST% CATCHERS
Gary Sanchez (#15 C, 50% 10 of 20 Weeks)Austin Hedges (#19 C, 29% 7 of 21 Weeks)
Salvador Perez (#11 C, 39% 9 of 23 Weeks)Tyler Flowers (#21 C, 25% 7 of 24 Weeks)
Francisco Cervelli (#15 C, 36% 9 of 25 Weeks)Mike Zunino (#20 C, 22% 6 of 23 Weeks)
Wilson Ramos (#12 C, 30% 7 of 23 Weeks)Willson Contreras (#15 C, 30% 7 of 27 Weeks)
Max Stassi (#25 C, 30% 8 of 27 Weeks)Robinson Chirinos (#17 C, 26% 7 of 27 Weeks)
HIGHEST BOOM% FIRST BASEMENHIGHEST BUST% FIRST BASEMEN
Jesus Aguilar (#19 1B/DH, 33% 9 of 27 Weeks)Paul Goldschmidt (#17 1B/DH, 30% 9 of 27 Weeks)
Matt Olson (#19 1B/DH, 33% 9 of 27 Weeks)Jose Abreu (#20 1B/DH, 26% 7 of 23 Weeks)
Anthony Rizzo (#15 1B/DH, 31% 8 of 26 Weeks)Eric Hosmer (#23 1B/DH, 26% 8 of 27 Weeks)
Edwin Encarnacion (#19 1B/DH, 31% 8 of 26 Weeks)Evan Gattis (#27 1B/DH, 22% 8 of 27 Weeks)
Nelson Cruz (#19 1B/DH, 31% 8 of 26 Weeks)Jake Bauers (#24 1B/DH, 24% 5 of 17 Weeks)
HIGHEST BOOM% SECOND BASEMENHIGHEST BUST% SECOND BASEMEN
Jose Altuve (#12 2B, 42% 10 of 24 Weeks)Yoan Moncada (#18 2B, 23% 7 of 26 Weeks)
Whit Merrifield (#13 2B, 37% 10 of 27 Weeks)Rougned Odor (#17 2B, 33% 6 of 24 Weeks)
Scooter Gennett (#13 2B, 33% 9 of 27 Weeks)Jonathan Schoop (#20 2B, 21% 6 of 24 Weeks)
Rougned Odor (#17 2B, 33% 8 of 24 Weeks)Ian Kinsler (#18 2B, 28% 6 of 25 Weeks)
Daniel Murphy (#16 2B, 31% 5 of 16 Weeks)Scooter Gennett (#13 2B, 33% 6 of 27 Weeks)
HIGHEST BOOM% THIRD BASEMENHIGHEST BUST% THIRD BASEMEN
Justin Turner (#11 3B, 37% 7 of 19 Weeks)Rafael Devers (#16 3B, 33% 5 of 24 Weeks)
Anthony Rendon (#11 3B, 36% 9 of 25 Weeks)Yangervis Solarte (#16 3B, 29% 5 of 24 Weeks)
Rafael Devers (#16 3B, 33% 8 of 24 Weeks)Miguel Andujar (#13 3B, 30% 5 of 27 Weeks)
Eugenio Suarez (#11 3B, 32% 8 of 25 Weeks)Evan Longoria (#16 3B, 23% 4 of 22 Weeks)
Eduardo Escobar (#13 3B, 30% 8 of 27 Weeks)Adrian Beltre (#17 3B, 21% 4 of 24 Weeks)
HIGHEST BOOM% SHORTSTOPHIGHEST BUST% SHORTSTOP
Xander Bogaerts (#11 SS, 40% 10 of 25 Weeks)Brandon Crawford (#18 SS, 26% 7 of 27 Weeks)
Didi Gregorius (#13 SS, 36% 9 of 25 Weeks)Chris Taylor (#15 SS, 26% 7 of 27 Weeks)
Aledmys Diaz (#17 SS, 33% 8 of 24 Weeks)Elvis Andrus (#17 SS, 22% 4 of 18 Weeks)
Carlos Correa (#17 SS, 32% 7 of 22 Weeks)Xander Bogaerts (#11 SS, 40% 5 of 25 Weeks)
Trea Turner (#11 SS, 30% 8 of 27 Weeks)Jose Peraza (#14 SS, 26% 5 of 27 Weeks)
HIGHEST BOOM% OUTFIELDERHIGHEST BUST% OUTFIELDER
Mitch Haniger (#32 OF, 41% 11 of 27 Weeks)Odubel Herrera (#51 OF, 22% 13 of 27 Weeks)
Rhys Hoskins (#33 OF, 41% 11 of 27 Weeks)Dexter Fowler (#66 OF, 26% 9 of 19 Weeks)
Scott Schebler (#46 OF, 40% 8 of 20 Weeks)Harrison Bader (#63 OF, 19% 12 of 26 Weeks)
Justin Upton (#44 OF, 38% 10 of 26 Weeks)Eric Thames (#65 OF, 20% 9 of 20 Weeks)
Aaron Judge (#35 OF, 38% 8 of 21 Weeks)Franmil Reyes (#60 OF, 28% 8 of 18 Weeks)
HIGHEST BOOM% RELIEVERSHIGHEST BUST% RELIEVERS
Wade Davis (#33 RP, 70% 19 of 27 Weeks)Yusmeiro Petit (#80 RP, 26% 13 of 27 Weeks)
Sean Doolittle (#35 RP, 58% 11 of 19 Weeks)Kenta Maeda (#89 RP, 32% 12 of 25 Weeks)
Brad Hand (#47 RP, 56% 15 of 27 Weeks)Blake Parker (#74 RP, 31% 12 of 26 Weeks)
Aroldis Chapman (#35 RP, 54% 13 of 24 Weeks)Seth Lugo (#85 RP, 23% 12 of 26 Weeks)
Cody Allen (#56 RP, 50% 13 of 26 Weeks)Tommy Hunter (#87 RP, 29% 11 of 24 Weeks)
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