青少年注册棒球/垒球运动员：
基础条件 | Basic Requirements
年龄范围
通常6-18岁（按U8/U10/U12/U15/U18分组）
Typically 6-18 years old (grouped as U8/U10/U12/U15/U18)
健康证明
需提交体检报告，重点关注心肺功能与运动损伤风险
Medical certificate required, focusing on cardiovascular health and injury risks
监护人同意
未成年人需家长/监护人签署免责协议与参赛许可
Parent/guardian must sign liability waivers and participation consent
技能要求 | Skill Requirements
棒球 Baseball
掌握基础投球、击球、接球与跑垒技术
Basic pitching, hitting, catching, and base-running skills
理解防守站位与战术信号（如牺牲触击）
Understand defensive positioning and tactical signs (e.g., sacrifice bunt)
垒球 Softball
适应慢投/快投垒球规则（投球弧线高度要求）
Adapt to slow-pitch/fast-pitch rules (required pitch arc height)
熟练使用垒球专用手套（比棒球手套更宽大）
Proficient with softball-specific gloves (wider than baseball gloves)
注册材料 | Registration Documents
身份证明（户口本/护照复印件）
ID proof (household register/passport copy)
运动意外保险单（覆盖训练与比赛）
Sports accident insurance (covering training and matches)
体能测试报告（如30米冲刺、垂直跳跃）
Fitness test report (e.g., 30m sprint, vertical jump)
训练承诺 | Training Commitment
时间要求
每周至少3次团队训练 + 1场模拟赛
Minimum 3 team practices + 1 scrimmage per week
装备规范
棒球：符合尺寸的金属/木制球棒（BBCOR认证）
Baseball: Metal/wood bats meeting BBCOR standards
垒球：防震头盔与面罩（尤其捕手位置）
Softball: Shock-absorbing helmets & masks (mandatory for catchers)
赛事分级 | Competition Levels
入门级
社区联赛（强调趣味性与基础规则教学）
Community leagues (focus on fun & basic rules)
竞技级
全国青少年锦标赛（需通过技能考核）
National youth championships (require skill assessment)
政策支持 | Policy Support
学校合作
许多城市将棒垒球纳入中小学体育选修课
Many schools offer baseball/softball as elective courses
MLB助力
MLB在中国设有青少年发展计划（如Play Ball! 活动）
MLB operates youth programs in China (e.g., Play Ball! initiative)
