| 1. |  Corang15 | 211 | Corang15 plays.... Backyard Baseball 2003! S2, Finale and Season wrap up. | 13:01 |
| 2. | mucosta10AC | 94 | 『#パーフェクトプレープロ野球秋季号2003【#観戦モード】#48』中日 vs 広島 その3 | 17:02 |
| 3. | TJP | 63 | OUR FIRST PLAYOFF GAME AND THIS HAPPENED! | 2026 Season Part 16 | (Backyard Baseball 2003) | 0:00 |
| 4. | TonyHawkDoesTheLaundry | 43 | Billy Jean Blackwood - Backyard Baseball 2003 OST | 0:00 |
| 5. |  ShinkuKaioken | 35 | Triple Play Baseball (2001) OST - Ditty 58 | 0:11 |
| 6. | MarlinsBaseball | 20 | Backyard Baseball 2003 (PC) (Florida Marlins Season) World Series Game #3: Orioles @ Marlins | 0:00 |
| 7. | KORLxCreature | 17 | We did it AGAIN!!! Backyard Baseball 2003 #shorts | 0:13 |
| 8. |  Кирилл Сагайдачных | 14 | Backyard Baseball 2003 Gameplay 23 (Single Game 10) | 0:00 |
| 9. | ChizPlays | 8 | Backyard Baseball 2003 | NEW CREATED PLAYER?! w/ Joey | 9:53 |
| 10. | Mr. RetroActive | 7 | Mr. RetroActive's Sports Tuesday! Backyard Baseball 2003! | 5:16:28 |
| 11. |  森本モリモト | 7 | 【森本】PCSX2 魔法運動會 2001職業棒球 屌打野球魂 不要再叫我玩野球魂了 #1 2022.5.29 | 1:42:33 |
| 12. | Skwidlegs | 6 | MY FAVORITE WEBBER | Backyard Baseball 2003 Ep 7 | WORLD SERIES | 45:51 |
| 13. | 小町あるるのヘタっぴゲーム観光課 | 6 | 完結【日本一】THE BASEBALL 2002 バトルボールパーク宣言【Ｘｂｏｘ】 | 24:29 |
| 14. | Preston Ward Condra | 6 | Preston Condra & Aaron Chiz / Backyard Baseball 2003 / Game 6 / MUST WATCH | 1:25:29 |
| 15. | 30-30 Club - Baseball Video Game Encyclopedia | 5 | The Baseball 2003 Shuukigou (PS2) - CPU vs. CPU Gameplay | 0:00 |
| 16. | Wonder Jadden | 4 | Opening To Mr. Baseball 2003 DVD. | 0:00 |
| 17. |  どもch（92年生まれがおくるレトロゲーチャンネル） | 4 | 【THE BASEBALL 2003】西武ライオンズvs千葉ロッテマリーンズ COM観戦【GC】 | 0:00 |
| 18. | Not2be4gotten02 | 3 | Speedy Double Header | Twitch Stream Archive Aug 27th | Backyard Baseball 2003 | 1:07:53 |
| 19. | msun baseball & retro games | 3 | THE BASEBALL 2003 バトルボールパーク宣言 パーフェクトプレープロ野球 秋季号 (OP+DEMO) | 0:00 |
| 20. | salmon | 3 | THE BASEBALL 2003 バトルボールパーク宣言 パーフェクトプレープロ野球 チュートリアル | 11:02 |
| 21. | こさたろす | 3 | 【パープレ】エンペラーカップ編 • リアル系パワフェスで世界一を目指す - 青空少年野球部 - パーフェクトプレープロ野球【実況】 | 12:41 |
| 22. | ilovebowling11 | 3 | Backyard baseball 2003 game 4 pitching Dominance | 26:36 |
| 23. | CRK | 2 | When you give your team the 200% juice... | Backyard Baseball 2003 modding | 0:00 |
| 24. | ぽけるす / 野球バラエティ ぽけぽけ動画 | 2 | 【パーフェクトプレープロ野球2003】対戦相手のクセが強すぎる野球ゲームをプレイ！【あすで7周年記念配信】 | 3:23:01 |
| 25. | TonicUSA | 2 | Backyard Baseball 2003 Single Game Tee Ball 9 Inning Speedrun 10:53 | 11:17 |
| 26. | Donovan's Den of Games | 2 | Backyard Baseball 2003 Game #2 | 27:29 |
| 27. | Itaniium | 2 | Challenge 5: Perfect Season Challenge in honor of Backyard Baseball 2003's 20th Birthday | 7:41:36 |
| 28. | CujoYT | 2 | Attempting To Beat The World Record Speed Run In Backyard Baseball 2003! | 0:00 |
| 29. |  RETRO GAMER GAMECUBE | 2 | [NGC]The Baseball 2003 게임플레이/The Baseball 2003 play/The Baseball 2003 バトルボールパーク宣言パーフェクトプレープロ野球ゲームプレイ | 1:00:29 |
| 30. | Now Loading Please Wait | 2 | Baseball 2003, The Japan - Nintendo GameCube | 0:39 |
| 31. | 98Bolty | 1 | MY NEW DREAM TEAM! GAME 1 Backyard Baseball 2003 Season 1 | 19:13 |
| 32. | VIDEO GAME SOUNDTRACK COLLECTION - OST ROOM | 1 | Baseball 2003, The Battle Ball Park Sengen Perfect Play Pro Yakyuu - GAMECUBE | Original Soundtrack | 0:00 |
| 33. |  Retro_Gaming_Shorts | 1 | Baseball 2003, The - [GC] | 0:36 |
| 34. | ねとれと | 1 | エンペラーカップというものに挑戦【パーフェクトプレープロ野球】 | 3:40:37 |
| 35. | HeliumTankGames | 1 | Backyard Baseball 2003: First look | 13:44 |
| 36. | DanielBitten | 1 | Backyard Baseball 2003 Live! | 12:34 |
| 37. | SuperMario64FAN | 1 | backyard baseball 2003 gameplay | 17:56 |
| 38. | MJV | 1 | An All-Time Classic | Backyard Baseball 2003 | 17:57 |
| 39. |  Ce2 Gaming Archive | 1 | Backyard Baseball 2003 (MUL) (2002) US Ad/Commercial | 0:31 |
| 40. | ZeroPrime | 1 | What The Heck Am I Playing!? The Baseball 2003 | 0:00 |
| 41. | indiejacob | 1 | Backyard Baseball: The Game No One Remembers | 10:27 |
| 42. |  GearShifter | 1 | High Heat Baseball 2003 | PS2 Gameplay HD | Chicago Cubs vs. Montreal Expos | 9:05 |
| 43. | sasa ponzの部屋 | 1 | PS2【THE BASEBALL 2002 バトルボールパーク宣言】 プロスピ初代辺り 当時のメンツがやばいね・・・ 懐げーシリーズ 14pon | 48:03 |
| 44. | ヒマーン | 1 | 【#PS2】略してベスパー2003【 THE BASEBALL 2003 バトルボールパーク宣言パーフェクトプロ野球】 | 1:55:40 |
| 45. | Gyasty Low Channel | 1 | THE BASEBALL 2003 バトルボールパーク宣言 パーフェクトプレープロ野球 OP (PS2) | 4:53 |
| 46. | 2PeteShakur | 1 | The Baseball 2003 - Battle Ball Park Sengen - Aethersx2 Android PS2 Emulator SD888 Realme GT | 0:00 |
| 47. | Video Game Credits | 1 | Season Ticket Baseball 2003 (Credits) (Windows) | 0:12 |
| 48. | Rashon | 1 | Backyard Baseball 2003 - Melonheads vs Orioles Tee Ball (CoC) | 38:25 |
| 49. | Zonnne | 1 | 【Backyard Baseball 2003】Retro Game Holli Wanted Me To Play!【ENVtuber】#BweadyLive | 2:46:01 |
| 50. | LinkinPork | 1 | Judgment Day Review: High Heat Baseball 2003 | 4:00 |
| 51. | The Tenth Art | 1 | GameCube - The Baseball 2003: Battle Ball Park Sengen Perfect Play Pro Yakyuu 'Intro & Demo' | 0:00 |
| 52. |  The Video Game Museum | 1 | GameCube - The Baseball 2003 © 2003 Konami - Gameplay | 5:06 |
| 53. | Pichu London Sports | 1 | MVP Baseball 2003 | Sports Game Ballparks 🏟 ⚾️ | 1:05:50 |
| 54. | 五六郎 | 1 | ﹝PS2﹞THE BASEBALL 2003 バトルボールパーク宣言 パーフェクトプレープロ野球 CM (2003/3/20) | 0:00 |
| 55. | GiraffeNeckMarc | 1 | BACKYARD BASEBALL 2003 - THE BEST GAME YET? | 13:16 |
| 56. | someother1ne | 1 | Family Stadium Baseball 2003 Gamecube- Dolphin 60fps HD (Namco) | 5:33 |
| 57. | LongplayArchive | 1 | Longplay of The Baseball 2003 | 53:48 |
| 58. | PromoTrailer | 1 | Season Ticket Baseball 2003 PC 2002 Gameplay | 1:43 |
| 59. | misterjepaxe | 1 | Judgment Day [Part 3]- Buried Treasure and High Heat Baseball 2003 | 5:38 |
| 60. |  FSXNOOB Games & Aviation | 1 | The Baseball 2003-Battle Ball Park | 20 Years Later | Gameplay Review Gamecube 4K | 6:45 |
| 61. | 10min Gameplay | 1 | Backyard Baseball 2003 ... (PC) Gameplay | 10:01 |
| 62. | Brady DW | 1 | PICK YOUR POISON! |Backyard Baseball 2003 | 16:21 |
| 63. | CrazyMtch42 | 1 | MITCHELL BATTLES HIS CHILDHOOD! TIME FOR SOME OLD-SCHOOL BASEBALL! - Backyard Baseball 2003 |Ep.1| | 24:43 |
