PBR Upgrade: Firecracker July 4th Showcase
| Name | State | School | Class | Pos | Commitment |
| Matthew Achin | MA | Bishop Feehan | 2020 | 1B | |
| Frank Adams | NY | Brooklyn Technical | 2018 | RHP | |
| Blair Allen | CT | Valley Regional | 2018 | OF | |
| Kyle Austin | MA | St Johns | 2019 | C | |
| Peter Autuori | CT | Trumbull | 2018 | 3B | |
| Marcus Bada | RI | Cranston East | 2018 | RHP | |
| Boubacar Basse | NY | Brooklyn Technical | 2019 | 3B | |
| Jake Benotti | MA | Plymouth North | 2020 | RHP | Massachusetts-Dartmouth |
| Jack Berset | MN | Minnetonka | 2018 | RHP | |
| Aidan Blake | MA | Apponequet | 2019 | 2B | Massachusetts-Boston |
| Avery Bowens | NY | Eastridge | 2019 | OF | |
| John Carney | MA | Mansfield | 2020 | RHP | Bryant |
| Benjamin Castro | CT | Hall | 2018 | C | |
| Cameron Cerruto | CT | Torrington | 2018 | C | Army |
| Maxwell Chazin | MN | Minnetonka | 2019 | RHP | |
| Jonathan Civiello | CT | Haddam-Killingworth | 2019 | OF | Western New England University |
| Andrew Cohen | CT | Loomis Chaffee | 2018 | RHP | Bowdoin College |
| Michael Cook | MA | Whitman-Hanson | 2019 | 2B | |
| Kaleb Cox | RI | Cranston West | 2018 | 2B | |
| Chris Crandell | CT | Haddam Killingworth | 2018 | OF | |
| Cameron Cross | ME | Thornton Academy | 2019 | OF | |
| Alex Currie | MA | Uxbridge | 2019 | C | |
| Austin Damon | ME | Mt Ararat | 2019 | OF | |
| Louis Davolio | MA | Holy Name Central Catholic | 2018 | 3B | |
| Andrew DeGeorge | ME | Cheverus | 2019 | 1B | |
| Dylan Degon | MA | Shrewsbury | 2018 | OF | |
| Jackson DeJohn | NY | Irondequoit | 2019 | C | St. Bonaventure |
| Jonathan DeMelo | CT | Trumbull | 2018 | SS | |
| Bryan Dinnis | CT | Portland | 2020 | RHP | Eastern Connecticut State University |
| Christopher DiPetrillo | RI | Ponaganset High School | 2018 | SS | |
| Jack Donofrio | CT | Simsbury | 2019 | OF | Notre Dame |
| Matt Downing | CT | Cheshire | 2019 | LHP | Northeastern |
| Troy Dunnam | CT | Salisbury Prep | 2018 | RHP | |
| Joe Espinola | MA | Plymouth North | 2020 | C | Westfield State University |
| Alex Ewald | MN | Minnetonka | 2018 | LHP | |
| Jack Falter | NY | Brighton | 2019 | SS | |
| Tommy Fisher | MA | Catholic Memorial | 2019 | OF | |
| Ryan Fitzpatrick | NY | Longwood | 2019 | 1B | |
| Nick Fletcher | OH | Saint Ignatius | 2020 | RHP | Holy Cross |
| Benjamin Freeman | ME | Mt Ararat | 2019 | RHP | |
| Nik Freschlin | CT | Coventry | 2019 | OF | |
| Garrett Frick | CT | Glastonbury | 2018 | OF | |
| Isaac Fuecker | MN | Minnetonka | 2019 | OF | |
| Nick Gaglioti | CT | Conard | 2018 | 1B | Assumption College |
| Robert Gagnon | CT | Tolland | 2018 | 2B | |
| Zachary Gee | NY | Brooklyn Tech | 2019 | RHP | |
| Robert Goldsmith | CT | Trumbull | 2019 | C | |
| Liam Goldthwaite | MA | Thayer Academy | 2019 | RHP | Wheaton College (MA) |
| Michael Grassi | OH | University | 2020 | OF | |
| Nick Graviano | NY | Longwood | 2018 | OF | |
| Jason Green | MA | Whitman Hanson Regional High School | 2018 | RHP | |
| Josh Guilmart | CT | Avon Old Farms | 2018 | OF | Kenyon College |
| Eoin Hamell-Kelleher | MA | Attleboro | 2019 | RHP | |
| Justin Herzfeld | NY | Bay Ridge Prep | 2019 | RHP | |
| Carter Hislop | MN | Minnetonka | 2019 | RHP | |
| Samuel Holley | ME | Bridgton Academy | 2021 | C | Keene State College |
| Stephen Ioli | CT | Trumbull | 2018 | 2B | |
| Colby Jones | CT | Conard | 2018 | 3B | Central Connecticut State |
| Craig Jones | MA | Xaverian Brothers | 2018 | 1B | |
| Justin Jordan | CT | Darien | 2018 | OF | Sacred Heart |
| Jack Kelley | CT | Newington | 2019 | RHP | Central Connecticut State |
| Mitch Klass | MN | Minnetonka | 2019 | LHP | Concordia University-St. Paul |
| AJ Kleczkowski | CT | Xavier | 2018 | OF | |
| Andrew Kleinfeld | MA | Tabor Academy | 2018 | RHP | |
| Justin Kloster | MN | Minnetonka | 2019 | OF | Concordia College-Moorhead |
| David Kurzrock | NJ | Voorhees | 2018 | OF | Marymount |
| Harrison LaPierre | MA | Middleboro | 2018 | C | |
| Jeff LaRosa | CT | Conard | 2019 | SS | Old Dominion |
| Gavin Leahy | MA | Taunton | 2019 | OF | |
| Christopher Leary | MA | Minuteman Tech | 2018 | C | |
| Jordan Ledesma | RI | Classical | 2018 | RHP | |
| Nick Liston | ME | Sanford | 2019 | C | |
| Jose Martinez III | NJ | Blair Academy | 2019 | 1B | |
| Brendan Mathieson | MA | Nipmuc | 2019 | RHP | |
| Quinn McCusker | MA | Coyle & Cassidy | 2018 | SS | |
| Chris McLean | MA | Walpole | 2020 | OF | |
| Neil Melley | MA | St Sebastian's | 2018 | SS | |
| Liam Merlin | MA | Reading | 2018 | 2B | |
| Nicholas Merrill | ME | Mt Ararat | 2018 | SS | |
| Joseph Molis | RI | Cumberland | 2019 | 3B | Bridgewater State University |
| Robby Monahan | NY | Longwood | 2018 | SS | |
| Jack Moynihan | MA | Taunton | 2019 | RHP | Siena |
| Jaden Mullen | MA | Thayer | 2019 | 2B | |
| Ryan Murphy | VA | James Madison | 2020 | RHP | James Madison |
| Liam Nash | ME | Thornton Academy | 2020 | OF | Ohio Wesleyan University |
| Nate Nickerson | MA | Lincoln-Sudbury | 2019 | SS | |
| Dominic Niman | CT | Conard | 2018 | LHP | |
| Jack Nolan | CT | Amity Regional | 2018 | 3B | Central Connecticut State |
| Frank Novio | MA | Bishop Feehan | 2018 | RHP | Westfield State University |
| Jagger Nucci | NY | Greece Athena | 2020 | SS | St. Bonaventure |
| Kyle O'Neil | NY | Longwood | 2018 | OF | |
| Marlon Oferman | RI | Central Falls | 2018 | OF | |
| Jackson Parmentier | CT | Haddam Killingworth | 2018 | 2B | |
| Korey Patwari | MA | Shrewsbury | 2018 | SS | |
| Jamie Perebzak | OH | Walsh Jesuit | 2020 | 3B | Otterbein University |
| Christopher Perron | MA | Oliver Ames | 2018 | LHP | |
| Christian Petruzzi | MA | Plymouth North | 2020 | OF | |
| Luke Pizzico | NJ | Hunterdon Central | 2019 | RHP | |
| Mark Place | CT | Loomis Chaffee | 2019 | C | |
| Christopher Polymeropoulos | VA | James Madison | 2020 | C | Roanoke College |
| Michael Prifti | MA | Plymouth North | 2020 | 2B | |
| Eric Prince | NY | Trinity-Pawling | 2020 | OF | |
| Kevin Rakowski | CT | Bacon Academy | 2018 | SS | |
| Alex Ramirez | RI | Central | 2019 | SS | Rhode Island |
| Anthony Ramos | RI | Cranston East | 2018 | OF | |
| Dariel Ramos | RI | Central | 2018 | RHP | |
| Justin Ray | ME | Cheverus | 2019 | 2B | Assumption College |
| Akshay Reddy | CT | Notre Dame West Haven | 2018 | 3B | |
| Jeremy Rhines | MA | King Phillip | 2018 | RHP | Worcester Polytechnic Institute |
| Connor Riley | MA | Walpole | 2018 | C | |
| Dan Rini | NJ | Hunterdon Central | 2018 | 2B | |
| Brett Rogers | OH | University | 2019 | OF | |
| Ethan Rommes | MN | Minnetonka | 2019 | RHP | |
| Connor Rulnick | CT | Coginchaug | 2019 | OF | Clark University |
| Benjamin Russo | RI | Scituate | 2018 | OF | Rhode Island College |
| James Salemme | CT | Notre Dame West Haven | 2018 | RHP | |
| Francesco Santaniello | MA | BC High | 2019 | RHP | |
| Jack Santini | NY | Chaminade | 2018 | OF | |
| JJ Schechtman | MN | Minnetonka | 2019 | OF | |
| Charlie Schroeder | MA | Lexington | 2018 | RHP | |
| Michael Schultz | VA | James Madison | 2020 | RHP | College of Charleston |
| Brogan Searle-Belanger | ME | Thornton Academy | 2018 | 3B | |
| Jack Sefrino | MA | Bishop Stang | 2019 | RHP | Salem State University |
| Grant Sible | NJ | North Hunterdon | 2018 | OF | The College of New Jersey |
| Jacob Sladen | ME | Gorham | 2019 | RHP | |
| Matt Smith | CT | East Catholic | 2018 | OF | Stonehill College |
| Jasper Stoddard | NY | Brooklyn Technical | 2019 | OF | |
| Drew Sullivan | MA | Old Colony | 2018 | C | |
| Matt Sullivan | MA | Boston College | 2018 | OF | |
| Devlin Summers | MA | Hopedale Jr Sr High School | 2019 | 3B | |
| Frankie Tower | MA | Duxbury | 2018 | OF | |
| Cole Tremblay | MA | St Sebastians | 2019 | RHP | |
| Aidan Twombly | CT | Glastonbury | 2018 | RHP | |
| Sam Tyrpa | MN | Minnetonka | 2019 | RHP | Dakota State University |
| James Vaughn | NY | Collegiate | 2020 | RHP | |
| Ryan Vawter | CT | Trumbull | 2019 | 3B | |
| Karl Vellkonja | NY | Xaverian | 2018 | C | |
| Jarod Wandersee | MN | Minnetonka | 2018 | SS | Concordia University-St. Paul |
| David Warfield | MA | Brookline | 2018 | RHP | |
| Hunter Wehling | MN | Minnetonka | 2019 | OF | |
| Tyler Wood | MA | Brockton | 2018 | OF | |
| Jake Zaetta | MN | Minnetonka | 2019 | SS | Iowa |