Tseng Yi-cheng

{{short description|Taiwanese baseball player}}

{{Infobox baseball biography

|name=Tseng Yi-cheng

|image=

|image_size=

|birth_date={{bda|df=yes|1978|8|12}}

|birth_place=Xinfeng, Hsinchu, Hsinchu County, Taiwan

|position=Pitcher / Coach

|team=Rakuten Monkeys

|number=83

|bats=Right

|throws=Right

|debutdate=September 28

|debutyear=2000

|debutteam=Uni-President Lions

|debutleague=CPBL

|statyear= 2007

|stat1label=Record

|stat1value=17-21

|stat2label=Saves

|stat2value=20

|stat3label=Holds

|stat3value=17

|stat4label=ERA

|stat4value=3.358

|stat5label=Strikeouts

|stat5value=275

|awards=

• Best CPBL Reliever (2005)

|teams=

As player

• Uni-President Lions/ Uni-President 7-Eleven Lions ({{by|2000}}–{{by|2010}}, {{by|2012}})

As coach

• Lamigo Monkeys/Rakuten Monkeys ({{by|2013}}–present)

}}

{{family name hatnote|Tseng|lang=Chinese}}

Tseng Yi-cheng ({{zh|c=曾翊誠|p=Céng Yìchéng}}; born 12 August 1978 in Taiwan) is a Taiwanese baseball player who currently coaches for Rakuten Monkeys of Chinese Professional Baseball League.{{cite web|url=http://www.cpbl.com.tw/Personal_Rec/pbat_personal.aspx?Pno=L0B5|title=曾 翊 誠 38 (Yi Cheng has 38)|publisher=Chinese Professional Baseball League|language=Chinese|accessdate=3 April 2011}}