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Marcelo Mayer · Blackguard
MM
Marcelo Mayer
Follow
BS
Boston Red Sox
280
cards
1
copy known
1
serial found
Filters
2026 Bowman Baseball
1
2026 Donruss Baseball
7
2026 Topps Chrome Baseball
4
2025 Bowman Baseball
2
2025 Bowman Chrome Baseball
12
2025 Bowman Chrome Mega Box Baseball
2
2025 Bowman Chrome Sapphire Baseball
4
2025 Bowman's Best Baseball
8
2025 Donruss Baseball
11
2025 Panini Boys of Summer Baseball
1
2025 Panini Flawless Baseball
15
2025 Panini Impeccable Baseball
2
2025 Panini National Treasures Baseball
5
2025 Panini Prizm Baseball
3
2025 Panini Prospect Edition Baseball
3
2025 Panini Three and Two Baseball
3
2025 Topps Archives Baseball
6
2025 Topps Chrome Platinum Anniversary Baseball
4
2025 Topps Chrome Sapphire Update Series Baseball
3
2025 Topps Chrome Update Series Baseball
11
2025 Topps Cosmic Chrome Baseball
22
2025 Topps Diamond Icons Baseball
6
2025 Topps Finest Baseball
2
2025 Topps Five Star Baseball
4
2025 Topps Gilded Collection Baseball
2
2025 Topps Heritage High Number Baseball
4
2025 Topps Holiday Baseball
4
2025 Topps Museum Collection Baseball
3
2025 Topps Pristine Baseball
5
2025 Topps Pro Debut Baseball
6
2025 Topps Stadium Club Baseball
4
2025 Topps Tier One Baseball
2
2025 Topps Transcendent Baseball
20
2025 Topps Update Series Baseball
24
2024 Bowman Baseball
8
2024 Bowman Chrome Mega Box Baseball
1
2024 Bowman Sapphire Baseball
1
2024 Bowman Sterling Baseball
1
2024 Donruss Baseball
6
2024 Panini Boys of Summer Baseball
2
2024 Panini Crusade Baseball
2
2024 Panini Impeccable Baseball
5
2024 Panini Prizm Baseball
3
2024 Panini Prospect Edition Baseball
1
2024 Panini Select Baseball
13
2024 Panini Three and Two Baseball
22
2026 Bowman Baseball
(1)
Base
#90
2026 Donruss Baseball
(7)
Base
#96
Base - Optic
#96
Crunch Time
#14
Diamond Kings
#16
Diamond Marvels
#20
Downtown Duos
#3
Jersey Kings
#14
2026 Topps Chrome Baseball
(4)
Base
#88
Base - Lightboard Variations
#88
Future Stars Autographs
#FSA-MM
Ink Strokes
#IS-MM
2025 Bowman Baseball
(2)
Bowman Scouts' Top 100
#BTP-4
Crystalized
#BWC-10
2025 Bowman Chrome Baseball
(12)
Adios
#AD-2
Adios Autographs
#AAV-MM
Base
#39
Base - Etched In Glass Variations
#39
Base - Image Variations
#39
Base - Rookie Color Run Variations
#39
BASE CARDS IMAGE VARIATIONS
#39
Bowman Spotlights
#BWS-14
Chrome Rookie Autographs
#CRA-MM
ETCHED IN GLASS VARIATION
#39
It Came To The League
#IT-10
Rookie Red RC Variations
#39
2025 Bowman Chrome Mega Box Baseball
(2)
Base
#39
Chrome Rookie Autographs
#CRA-MMA
2025 Bowman Chrome Sapphire Baseball
(4)
Base
#39
Base - Image Variations
#39
Sapphire Selections
#SS-1
Sapphire Selections Autographs
#SSA-MM
2025 Bowman's Best Baseball
(8)
Base
#5
Best Of 2025 Autographs
#B25-MMA
Best Performance
#BP-27
Bowman Showpieces
#BS-3
Circuitry
#C-25
Pixel Portraits
#P-18
Strokes Of Gold
#SG-6
Triple Autrographs
#TA-MAC
2025 Donruss Baseball
(11)
2025 Donruss Baseball Checklist - Boston Red Sox
#109
Base Rated Prospects Optic Signatures
#109
Base Rated Prospects Optic Signatures Gold Velocity /10 and Black Finite /1
#109
Clearly Rated Prospects
#109
Get To Know
#7
Jersey Kings
#11
Prospect Jersey Kings
#4
Rated Prospects
#109
Retro 1997 Donruss Signature Series Autographs
#5
Sketches
#18
Unleashed
#16
2025 Panini Boys of Summer Baseball
(1)
Jumbo Material Signatures
#20
2025 Panini Flawless Baseball
(15)
Base
#45
Dual Patches
#20
Flawless Signature Materials
#22
Flawless Signature Materials - Ruby
#22
Flawless Signature Materials - Sapphire
#22
Mastercraft Signatures
#15
Mastercraft Signatures - Ruby
#15
Mastercraft Signatures - Sapphire
#15
Prominent Swatch Signatures
#2
Prominent Swatch Signatures - Ruby
#2
Prominent Swatch Signatures - Sapphire
#2
Red White and Blue
#10
Shadow Signatures
#21
Shadow Signatures - Ruby
#21
Spikes
#10
2025 Panini Impeccable Baseball
(2)
Base
#39
Impeccable Jumbo Patches - Hats
#86
2025 Panini National Treasures Baseball
(5)
Base
#51
Game Gear Swatches Trio
#39
Jumbo Material Signature Booklet
#13
Player's Collection Signatures
#20
Treasured Threads
#44
2025 Panini Prizm Baseball
(3)
Base
#245
Dingers!
#7
Talisman
#3
2025 Panini Prospect Edition Baseball
(3)
Domination
#12
Future Legends Signatures
#30
Kaboom!
#6
2025 Panini Three and Two Baseball
(3)
Franchise Futures Memorabilia
#5
Prospect Swatches
#26
Trifecta Signatures
#8
2025 Topps Archives Baseball
(6)
1964 Topps Stand-Ups
#64SU-18
1987 Boardwalk and Baseball
#87BB-8
1987 Boardwalk And Baseball Autographs
#87BBA-MMAY Marcelo Mayer
Base
#236
Base - Design Variations
#236
Base - Image Variations
#236
2025 Topps Chrome Platinum Anniversary Baseball
(4)
1955 Topps City Variations Autographs
#55CVA-MM
Base
#267
Base - Image Variations
#267
Chrome Platinum Autographs
#CPA-MMA
2025 Topps Chrome Sapphire Update Series Baseball
(3)
BA
Base
#USC9
BA
Base
#USC117
SA
Sapphire Autographs
#USA-MM
2025 Topps Chrome Update Series Baseball
(11)
Base
#USC9
Base
#USC117
Celebracion
#CT-4
Chrome Update Autographs
#RA-MM
Dual Autographs
#DA-MC
Fortune 15
#F15-20
Homefield Advantage
#HA-47
Power Players
#PP-45
Radiating Rookies
#RR-37
Radiating Rookies Autographs
#RRA-MAY
Rookie Debut Patch Autographs
#RDPA-MAY
2025 Topps Cosmic Chrome Baseball
(22)
Base
#91
Base - Constellation Variation (SSP)
#91
Cosmic Chrome Autographs
#CCA-MM
Extraterrestrial Talent
#ET-35
Light Speed
#LS-12
Planetarium
#P-7
Planetary Pursuit
#PPE-10
Planetary Pursuit
#PPJ-10
Planetary Pursuit
#PPM-10
Planetary Pursuit
#PPMA-10
Planetary Pursuit
#PPN-10
Planetary Pursuit
#PPP-10
Planetary Pursuit
#PPS-10
Planetary Pursuit
#PPST-10
Planetary Pursuit
#PPU-10
Planetary Pursuit
#PPV-10
Starfractor
#SF-86
Stars In The Night
#STN-2
Stella Nova
#SN-16
Supernova
#S-22
Ultraviolet Beam
#DSC-5
Ultraviolet Beam
#UB-10
2025 Topps Diamond Icons Baseball
(6)
Base
#67
Base Autographs
#AC-MMA
Black Polychromatink Autographs
#BPA-MMA
Diamond Drips Autographs
#DDA-MMA
Icons Chrome Autographs
#ACC-MM
Single Player Relics
#SPR-MAY
2025 Topps Finest Baseball
(2)
Finest Autographs
#FA-MMA
Gustographs
#G-MM
2025 Topps Five Star Baseball
(4)
Base
#94
Base Autographs
#FSA-MMA
Rookie Cap MLB Logo Man
#CPAM-MM
Rookie Cap Side Logo
#CPA-MM
2025 Topps Gilded Collection Baseball
(2)
Base
#88
Topps Chrome Gold Autographs
#CGA-MM
2025 Topps Heritage High Number Baseball
(4)
Base
#688
Base - Image Variations
#688
Chrome Variations
#688
Real One Autographs
#ROA-MM
2025 Topps Holiday Baseball
(4)
Base
#H35
Base Chrome
#H35
Player Autographed Relics
#PAR-MM
Player Autographs
#PA-MM
2025 Topps Museum Collection Baseball
(3)
Archival Autographs
#AA-MMA
Base
#91
Museum Framed Autographs
#FMA-MMA
2025 Topps Pristine Baseball
(5)
Amped
#A-18
Base
#103
Monogram
#M-6
Plated & Polished
#PP-20
Pristine Autographs
#PA-MM
2025 Topps Pro Debut Baseball
(6)
Base
#PD-200
Chrome
#PDC-200
Pro Debut Jumbo Relic Autographs
#PDJAR-MM
Pro Debut Logoman Autographs
#PDLAR-MM
Pro Debut Triple Autographs
#PDJAR-MM
Stars of MiLB
#STAR-10
2025 Topps Stadium Club Baseball
(4)
Abstract Autographs
#AA-MM
Base
#74
Base Autographs
#SCBA-MMA
Beam Team
#BT-5
2025 Topps Tier One Baseball
(2)
Base - Tier 3 Autographs
#BA-MM
Breakout Autographs
#BOA-MM
2025 Topps Transcendent Baseball
(20)
1961 Topps Superfractor Autographs
#61S-MMY
2025 Rookies Through the Years Autographs
#MM-90DP
2025 Rookies Through the Years Autographs
#MM-93CA
2025 Rookies Through the Years Autographs
#MM-1964
2025 Rookies Through the Years Autographs
#MM-1970
2025 Rookies Through the Years Autographs
#MM-2012
Base
#24
Base Set - Image Variations
#24
MLB Logo Autograph Patch Card
#MLBPA-MMY
Transcendent Autograph Relic
#TCAR-MM
Transcendent Collection Dual Patches
#TCDP-CM
Transcendent Collection Gold Framed Autographs
#TAC-MMY
Transcendent Collection MLB Logo Patches
#MLP-MMA
Transcendent Collection Patches
#TCP-MMA
Transcendent Collection Rookie Showcase Autographs
#TCRSA-MM
Transcendent Collection Rookie Showcase Autographs
#TCRSA-MMY
Transcendent Collection Rookie Showcase Patch Autographs
#RSPA-MM
Transcendent Collection Rookie Showcase Patch Autographs
#RSPA-MMY
Transcendent Collection Triple Patches
#TCTP-CMD
Transcendent Collection Triple Patches
#TCTP-MSW
2025 Topps Update Series Baseball
(24)
1990 Topps Baseball
#U90-9
1990 Topps Baseball Autographs
#90A-MMA
1990 Topps Baseball Chrome
#U90C-33
1990 Topps Baseball Chrome Autographs
#U90CA-MM
1990 Topps Baseball Relics
#90RU-MM
1990 Topps Japan Baseball
#90J-27
1990 Topps Japan Baseball Autographs
#90JA-MM
BA
Base
#US105
Base
#US241
BA
Base
#US276
Base - Golden Mirror Image Variations
#US105
Base - Golden Mirror Image Variations
#US241
Base - Golden Mirror Image Variations
#US276
Baseball Stars Autographs
#BSA-MM
Homefield Advantage
#HA-47
Major League Material Autographs
#MMAU-MM
Major League Materials
#MMU-MAR
Oversized Base Cards
#US105
Real Ones Autographs
#US105
Real Ones Golden Mirror Autographs
#US105
Rising Rookie Relics
#RRR-MM
Stars of MLB
#SMLB-76
Super Box Companion Cards
#CC3-11
Topps Black Gold
#BG-13
2024 Bowman Baseball
(8)
55 Bowman Anime
#BA-9
Bowman Chrome Prospects
#BCP-44
Bowman Prospects
#BP-44
Bowman Scouts' Top 100
#BTP-8
Bowman Scouts' Top 100 Autographs
#BTPA-8
Gladiators of the Diamond
#GOTD-19
Gladiators of the Diamond Autographs
#GDA-MM
Origin of Greatness
#OOG-12
2024 Bowman Chrome Mega Box Baseball
(1)
Bowman GPK
#BGP-4
2024 Bowman Sapphire Baseball
(1)
Base
#BCP-44
2024 Bowman Sterling Baseball
(1)
Base Prospects
#BSP-25
2024 Donruss Baseball
(6)
Base Rated Prospects Optic Signatures
#137
Bomb Squad
#1
Coming Attractions
#11
Prospect Jersey Kings
#16
Rated Prospects
#137
Unleashed
#7
2024 Panini Boys of Summer Baseball
(2)
Five Tool Player Materials
#11
Jumbo Prospect Material Signatures
#7
2024 Panini Crusade Baseball
(2)
Base
#171
Squires
#2
2024 Panini Impeccable Baseball
(5)
Base
#36
Canvas Creations Signatures
#10
Elegance Prospect Jersey Autographs
#30
Impeccable Jumbo Patches
#7
Silver Prospects Logo
#49
2024 Panini Prizm Baseball
(3)
Base
#174
Fireworks
#24
Prospect Dual Autographs
#5
2024 Panini Prospect Edition Baseball
(1)
Prepping for the Pros
#21
2024 Panini Select Baseball
(13)
Base
#99
Dual Signatures
#1
Premier Level
#23
Sensations
#12
Signatures
#9
Signatures Flash Prizms
#9
Signatures Gold Flash Prizms
#9
Signatures Gold Prizms
#9
Signatures Gold Vinyl Prizms
#9
Signatures Purple Prizms
#9
Signatures Tie-Dye Prizms
#9
Sparks
#2
Turbo Charged
#5
2024 Panini Three and Two Baseball
(22)
Base
#53
Baseball's Best Memorabilia
#47
Baseball's Best Memorabilia Black
#47
Baseball's Best Memorabilia Blue
#47
Baseball's Best Memorabilia Emerald
#47
Baseball's Best Memorabilia Holo Gold
#47
Baseball's Best Memorabilia Holo Platinum Blue
#47
Baseball's Best Memorabilia Holo Silver
#47
Baseball's Best Memorabilia Red FOTL
#47
Day One Autographs
#5
Franchise Futures Memorabilia
#3
Full Count Swatches
#12
Prospect Jersey Autographs
#3
Prospect Jersey Autographs Holo Silver
#3
Prospect Jersey Autographs Platinum
#3
Prospect Jersey Autographs Red FOTL
#3
Prospect Jersey Autographs Two Strikes
#3
Prospect Swatches
#27
Prospect Swatches Emerald
#27
Prospect Swatches Full Count
#27
Prospect Swatches Holo Platinum Blue
#27
Prospect Swatches Red FOTL
#27
Boston Red SoxBoston Red Sox
