41(infielder)内场手
42(infield fly)内场高飞球
43(in flight)飞行状态
44(in jeopardy)出局危险
45(inning)局
46(interference)妨碍行为
47(league)联盟(协会)
48(legal or legally)合法
49(line driver)平直球
50(live ball)活球
51(manager)经理(总教练)
52(obstruction)阻挡
53(offense or offensive)攻队或攻队队员
54(official scorer)正式记录员
55(out)出局
56(outfielder)外场手
57(overslide of oversliding)滑出垒位
58(penalty)罚则
59(the person of a player or an umpire)运动员或裁判员的身体
60(pitch)投球
61(pitcher)投手
62(the pitcher's pivot foot)投手的轴心脚
63(play)比赛开始或继续比赛
64(protest)提出抗议
65(quick return pitch)急投
66(regulation game)正式比赛
67(retouch)再踏垒
68(run or score)得分
69(run down)夹杀
70(runner)跑垒员
71(safe)安全
72(set position)侧身投球
73(squeeze play)抢分触击
74(strike)好球(击)
75(strike zone)好球区
76(suspended game)改期续赛
77(tag)触及(触杀)
78(throw)传球
79(tie game)平局比赛
80(time)暂停
81(touch)碰触
82(triple play)三杀
83(wild pitch)暴投
84(wind-up position)正面投球