- Free-agent dominos likely to begin falling with Imai heading to Houston MLB.com
- Astros Sign Tatsuya Imai MLB Trade Rumors
- Houston Signs Tatsuya Imai… At Least for Now FanGraphs
- Japanese ace pitcher Imai signs with Astros ESPN
- Why Tatsuya Imai went with short-term contract and more MLB offseason notes The New York Times
