- Big League Talk
- Big League with Charlie Boots
- Big Swing Podcast
- BigBallerTalk
- Bigger Than Ball Podcast
- Bill Laskey
- Bird's Eye View
- Bird's Eye View - Baltimore Orioles Unofficial Fan Podcast
- Birdland BS
- Birds at Bat
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- Birdz Flyin High
- Bison Baseball
- Black & Blue in Review
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- Blair & Barker
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- Blaseball Analysis Co.
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- BLEACHER BOYS - Yankees Podcast
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- Bleav in Angels
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- Bleed Cubbie Blue: for Chicago Cubs fans
- Bleeding Blue & Yellow Podcast
- Bless You Boys: for Detroit Tigers fans
- Blessed Trinity Baseball Coach's Show
- BLINDSIDE BASEBALL
- Blitz: The Podcast
- Bloop and a Blast
- Blue Jays Happy Hour
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- Blue Sox Banter
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- BNB Sports+
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- Bobby Higginson Runs Ya
- Bodega Baseball
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- Booze, Bros, and Baseball
- Boozers and Losers
- Borderline Interesting Podcast
- Born To Baseball
- Bosh to the Bigs
- BoSoxBreakdown Podcast
- Boston Red Sox Newsfeed
- Bottom Line Baseball
- Bottom of the 9th
- Bottom Of The Order
- Bottom of the order
- Bounce back MLB
- Bound for Disappointment
- Bowie Baysox
- Boxin Heaters with Zach Plesac
- Boyd’s Baseball
- Boys of Summer Podcast
- Brandon Sones
- Braves Chop Cast Podcast
- Braves Country Podcast
- Braves Country Radio
- Braves Dugout
- Braves General Store
- Braves Report
- Braxton Wheeler’s Show
- Breaking Balls with Emily Nyman
- BREAKING: A Baseball News Podcast
- Brennaman and Jones On Baseball
- Brett & The Coach
- Brett C.
- Brewers Overtime: Milwaukee Brewers
- Brewers Trilogy Podcast
- Brews and Baseball
- Brews Crew
- Breyton Cornelius Show
- Bri & Mags Dugout
- Bricks and Bleachers Podcast
- Bridge to Buctober
- Briggs Baseball Podcast
- Bringing the Boom
- British Baseball Podcast
- Broad Shoulders & Cheese Curds
- Broad Street To Britain: A UK Phillies Podcast
- Broadcasters Talking Baseball
- Bronx Baseball & Beer
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- Bronx Meets Beantown
- BronxBombers
- BROS talking STROS
- Brothers Baseball Podcast
- BrownsTown
- Bro’s talking sports
- BRS83
- BSN Xtra
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- Bubbly & Baseball
- Bucco Booth
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- Buck's Beat
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- Bucket Chatter
- Bucket Talk w/ Coach T
- Bucs Dugout: for Pittsburgh Pirates fans
- Bucs In The Basement
- Buehrler's Hurlers
- Buford Baseball Coach's Show
- Building the Ballot: The Baseball Hall of Fame’s Era Committees
- Built Different Sports Podcast
- Bull Durham Minute
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- Bullpen Banter
- Bullpen Blues
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- Bullpen.
- BULLSEYE The Podcast
- Burger Bites
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- BYMLB PODCAST
- Byte-Sized Baseball Cast
- Béisbol
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- Béisbol con Ritmo Latino Podcast
- Béisbol Sin Amigos Ni Familia No Es Béisbol
- Béisbol sin pepinillos
- Béisbol Y Sóftbol