| Tseng Yi-cheng | |
| 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: |
|
| Teams: | As player
As coach
|
Tseng Yi-cheng (; born 12 August 1978 in Taiwan) is a Taiwanese baseball player who currently coaches for Rakuten Monkeys of Chinese Professional Baseball League.[1]