2 sentences

1. 他在棒球队中担任接手的位置。

   tā zài bàng​qiú​duì zhōng dān​rèn jiē​shǒu de wèi​zhi.

   He plays the position of catcher on the baseball team.

   Source: Dong Chinese Dictionary

2. 作为棒球队的王牌投手，他已经连续胜了三场比赛。

   zuò​wéi bàng​qiú​duì de wáng​pái tóu​shǒu, tā yǐ​jīng lián​xù shèng le sān chǎng bǐ​sài.

   As the baseball team's ace pitcher, he has won three consecutive games.

   Source: Dong Chinese Dictionary