Recently Added

Size 5 Men’s adidas X Speedflow.2 FG White Solar Red Soccer Cleats
Ballplayer77144
Size 5 Men’s adidas X Speedflow.2 FG White Solar Red Soccer Cleats
$65
Retail price: $140
MLB on field, Batting Helmet 7 1/8" - 7 3/8"
haker
MLB on field, Batting Helmet 7 1/8" - 7 3/8"
$80
Retail price: $280
CCM JetSpeed 250 Hockey Skates Regular Width Size 4 (Used)
goaliegirl31
CCM JetSpeed 250 Hockey Skates Regular Width Size 4 (Used)
$33
Retail price: $65
Cascade (New)
toedoe
Cascade (New)
$25
Retail price: $40
Black Kids Unisex Large/Extra Large Jersey (Used)
Mlmckuin
Black Kids Unisex Large/Extra Large Jersey (Used)
$15
Virtue VIO Ascend Paintball Mask
johnPaulflynn
Virtue VIO Ascend Paintball Mask
$100
Retail price: $130
Senior Bauer Hyperlite 2 Left Hand 77 flex Hockey Stick P92 (New)
Tonygig99
Senior Bauer Hyperlite 2 Left Hand 77 flex Hockey Stick P92 (New)
$170
Retail price: $340
Easton surge BBCOR 33”/ 30oz -3
JeffGrau313
Easton surge BBCOR 33”/ 30oz -3
$45
Medium Adult Maverik Max Arm Pads (Used)
MDB34
Medium Adult Maverik Max Arm Pads (Used)
$30
Retail price: $85
33+1 Bauer Reactor 7000 Goalie Leg Pads (Used)
Showstopper98
33+1 Bauer Reactor 7000 Goalie Leg Pads (Used)
$250
Senior Bauer Shadow Regular Goalie Stick 27" Paddle (New)
Tonygig99
Senior Bauer Shadow Regular Goalie Stick 27" Paddle (New)
$210
Retail price: $399
Senior CCM Jetspeed FT8 Pro P29 85 Flex Left Hand Hockey Stick P29 (New)
Tonygig99
Senior CCM Jetspeed FT8 Pro P29 85 Flex Left Hand Hockey Stick P29 (New)
$410
(Used)
toedoe
(Used)
$85
Retail price: $169
Size 8.5 Men’s Under Armour UA Spotlight Clone 4 MC White Sliver Football Cleats
Ballplayer77144
Size 8.5 Men’s Under Armour UA Spotlight Clone 4 MC White Sliver Football Cleats
$55
Retail price: $130
Reversible practice jersey size YS/YM
Mlmckuin
Reversible practice jersey size YS/YM
$15
Easton Hype Fire Composite USSSA Certified Bat (-8) 20 oz 29" (New)
Leiza98
Easton Hype Fire Composite USSSA Certified Bat (-8) 20 oz 29" (New)
$250
Columbia Backpack (Used)
Jspaz802
Columbia Backpack (Used)
$25
Retail price: $58
Scotty Cameron Super Select Newport 2.5+
Tuck11
Scotty Cameron Super Select Newport 2.5+
$375
Retail price: $450
Senior CCM Jetspeed FT7 Pro P28 75 flex Left Hand Hockey Stick P28 (New)
Tonygig99
Senior CCM Jetspeed FT7 Pro P28 75 flex Left Hand Hockey Stick P28 (New)
$170
Retail price: $360
Senior(1x)Right P28M 65 Flex 63” PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Nexus Hockey Sticks
ProBlackStockSideline Pro+
Senior(1x)Right P28M 65 Flex 63” PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Nexus Hockey Sticks
$136
Retail price: $400

Price Drops

Men's New Size M 11.5 (W 12.5) Nike Low Top Vapor Speed Molded Cleats (New)
amirosenfeld10
Men's New Size M 11.5 (W 12.5) Nike Low Top Vapor Speed Molded Cleats (New)
$36$4010%
55% PRICE DROP
Retail price: $220
Red New Men's Size M 14.0 (W 15.0) Adult Nike Low Top Trout Molded Cleats (New)
amirosenfeld10
Red New Men's Size M 14.0 (W 15.0) Adult Nike Low Top Trout Molded Cleats (New)
$30$3310%
63% PRICE DROP
Retail price: $280
Gray New Men's Size M 14.0 (W 15.0) Adult Under Armour Low Top Bryce harper Metal (New)
amirosenfeld10
Gray New Men's Size M 14.0 (W 15.0) Adult Under Armour Low Top Bryce harper Metal (New)
$29$3210%
48% PRICE DROP
Retail price: $220
White New Men's Size 13.0 (W 14.0) Adult Under Armour Low Top Charged Metal (New)
amirosenfeld10
White New Men's Size 13.0 (W 14.0) Adult Under Armour Low Top Charged Metal (New)
$36$4215%
45% PRICE DROP
Retail price: $260
CCM Jetspeed FT390 Shin Guards | Senior 15”
zmickey91
CCM Jetspeed FT390 Shin Guards | Senior 15”
$61$7115%
19% PRICE DROP
Retail price: $110
CCM Tacks XF Pro Hockey Skates Regular Width Pro Stock Size 6.5 (New)
monksy
CCM Tacks XF Pro Hockey Skates Regular Width Pro Stock Size 6.5 (New)
$578$72320%
15% PRICE DROP
Retail price: $1,000
2022 Easton Ghost Advanced Composite Bat (-10) 21 oz 31" (Used)
kwlandreau
2022 Easton Ghost Advanced Composite Bat (-10) 21 oz 31" (Used)
$145$16512%
12% PRICE DROP
Retail price: $500
Bauer Vapor Hockey Skates Size 4.5 (Used)
Mcorey1990
Bauer Vapor Hockey Skates Size 4.5 (Used)
$54$6010%
10% PRICE DROP
Marucci RH Baseball Glove 12" (Used)
Mcorey1990
Marucci RH Baseball Glove 12" (Used)
$68$7510%
10% PRICE DROP
Senior Easton Synergy GX Right Handed Hockey Stick P92 Pro Stock (Used)
Chikinpotpie
Senior Easton Synergy GX Right Handed Hockey Stick P92 Pro Stock (Used)
$191$21210%
24% PRICE DROP
Medium Bauer Re-Akt 150 Helmet (Used)
Chikinpotpie
Medium Bauer Re-Akt 150 Helmet (Used)
$72$8010%
24% PRICE DROP
Wilson RH Baseball Glove 11" (Used)
Mcorey1990
Wilson RH Baseball Glove 11" (Used)
$140$15510%
10% PRICE DROP
Bauer Supreme M5 Pro Hockey Skates Regular Width Size 5.5 (Used)
Mcorey1990
Bauer Supreme M5 Pro Hockey Skates Regular Width Size 5.5 (Used)
$243$27010%
10% PRICE DROP
Senior(1x)Left P28M 87 Flex PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Nexus Hockey Sticks
ProBlackStockSideline Pro+
Senior(1x)Left P28M 87 Flex PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Nexus Hockey Sticks
$126$14815%
15% PRICE DROP
Retail price: $400
2022 Marucci CAT X Composite USSSA Certified Bat (-5) 32" (Used)
Gmedic78
2022 Marucci CAT X Composite USSSA Certified Bat (-5) 32" (Used)
$71$8517%
17% PRICE DROP
Retail price: $350
Senior(2x)Right P28 70 Flex PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Nexus Hockey Sticks
ProBlackStockSideline Pro+
Senior(2x)Right P28 70 Flex PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Nexus Hockey Sticks
$233$25910%
19% PRICE DROP
Retail price: $800
Senior(1x)Right P28M 77 Flex PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Nexus Hockey Sticks
ProBlackStockSideline Pro+
Senior(1x)Right P28M 77 Flex PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Nexus Hockey Sticks
$126$14815%
15% PRICE DROP
Retail price: $400
Junior(1x)Right P28 20 Flex 47” PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Nexus Hockey Sticks
ProBlackStockSideline Pro+
Junior(1x)Right P28 20 Flex 47” PROBLACKSTOCK Pro Black Out Unbranded Pro Stock Nexus Hockey Sticks
$95$10510%
5% PRICE DROP
Retail price: $280
USA Hockey Women's Large Nike Sweatshirt (New)
Maggie29
USA Hockey Women's Large Nike Sweatshirt (New)
$41$4510%
10% PRICE DROP
USA Hockey Adult Unisex Large Nike Sweatshirt (Used)
Maggie29
USA Hockey Adult Unisex Large Nike Sweatshirt (Used)
$41$4510%
19% PRICE DROP

Recently Sold

Used Rawlings G105U-2B Right Hand Thrower - Excellent Condition
justgloves
Used Rawlings G105U-2B Right Hand Thrower - Excellent Condition
$145
SOLD
Retail price: $200
CCM Jetspeed FT8 Pro Hockey Stick
HockeySeller397
CCM Jetspeed FT8 Pro Hockey Stick
$233
SOLD
Retail price: $389
Senior Large Bauer (New) Supreme Mach Hockey Pants
Brewhockey12
Senior Large Bauer (New) Supreme Mach Hockey Pants
$199
SOLD
Retail price: $249
2025 Easton Speed Composite USABat Certified Bat (-13) 14 oz 27" (Used)
toddrans15
2025 Easton Speed Composite USABat Certified Bat (-13) 14 oz 27" (Used)
$125
SOLD
Bauer Vapor 3X Hockey Skates Regular Width 7.5 (Used)
mmakaric
Bauer Vapor 3X Hockey Skates Regular Width 7.5 (Used)
$118
SOLD
Retail price: $250
Large Tour Code 3 Inline Girdle (Used)
MAVERICK9393
Large Tour Code 3 Inline Girdle (Used)
$30
SOLD
Retail price: $50
2020 CCM EFlex 5 Full Right (Used)
rrando260
2020 CCM EFlex 5 Full Right (Used)
$100
SOLD
Retail price: $550
Adidas St.Louis Blues Practice Jersey - Goalie Cut - Like New
GoalieShop30
Adidas St.Louis Blues Practice Jersey - Goalie Cut - Like New
$100
SOLD
Junior Bauer Proto-R Left Hand Hockey Stick P90TM (Used)
wwill588
Junior Bauer Proto-R Left Hand Hockey Stick P90TM (Used)
$90
SOLD
Retail price: $250
Titleist TSR Hybrid Headcover
Casey_steffens
Titleist TSR Hybrid Headcover
$15
SOLD
TITLEIST PLAYER 4 STAND BAG 4 WAY GOLF CARRY WHITE + RAIN HOOD W/ CLUB LOGO
PlayUSASideline Pro+
TITLEIST PLAYER 4 STAND BAG 4 WAY GOLF CARRY WHITE + RAIN HOOD W/ CLUB LOGO
$150
SOLD
Large CCM Tacks 710 Helmet (Used)
Dangler9791
Large CCM Tacks 710 Helmet (Used)
$125
SOLD
Retail price: $300
26" CCM Extreme Flex 760 Goalie Leg Pads (Used)
Goaltec
26" CCM Extreme Flex 760 Goalie Leg Pads (Used)
$45
SOLD
Junior Sher-Wood Rekker Full Right Goalie Stick 21" Paddle (Used)
moosedurani
Junior Sher-Wood Rekker Full Right Goalie Stick 21" Paddle (Used)
$20
SOLD
Retail price: $100
Large/Extra Large CCM Extreme Flex Shield 2.5 Goalie Chest Protector (Used)
askolnik
Large/Extra Large CCM Extreme Flex Shield 2.5 Goalie Chest Protector (Used)
$55
SOLD
Retail price: $200
Large CCM FM580 Full Cage (New)
Thehockeyoffice
Large CCM FM580 Full Cage (New)
$35
SOLD
Retail price: $59
Rawlings Icon (2 3/4") USSSA Bat 2025 (-10)
sportsxchangeSideline Pro+
Rawlings Icon (2 3/4") USSSA Bat 2025 (-10)
$260
SOLD
Retail price: $400
Medium Adult Under Armour VFT Shoulder Pads (Used)
EmpireSportsSideline Pro+
Medium Adult Under Armour VFT Shoulder Pads (Used)
$25
SOLD
Retail price: $100
Digi-print Bauer Supreme Shadow Set
New4YouSports
Digi-print Bauer Supreme Shadow Set
$1,857
SOLD
Medium 2025 Bauer FlyLite Goalie Leg Pads (Used)
rhl1994
Medium 2025 Bauer FlyLite Goalie Leg Pads (Used)
$1,215
SOLD

From the Blog

Baseball Dad Hack: Buying, Selling, and Trading on SidelineSwap
Baseball Dad Hack: Buying, Selling, and Trading on SidelineSwap

Bryan Weston's journey into buying and selling sports gear started in a relatable way —as a dad trying to keep up with his son's evolving baseball needs.

Breaking the Ice: The Hustle Behind Top Flight Hockey’s Million-Dollar Success
Breaking the Ice: The Hustle Behind Top Flight Hockey’s Million-Dollar Success

For Quinton "Q" Oster and Dan Mikrut, two lifelong hockey enthusiasts, their hockey business started with one simple idea.

Vintage Sports, Unique Stories: Inside the World of Pro Seller Zach’s Trunk Show
Vintage Sports, Unique Stories: Inside the World of Pro Seller Zach’s Trunk Show

After leaving a desk job he despised in April of 2018, Zach dove headfirst into the world of sports resale—and hasn’t looked back.