As 2026 begins, MLB Trade Rumors highlights three key developments: The posting window for NPB right-hander Tatsuya Imai closes tomorrow, with minimal updates on his potential signing. The Athletics recently extended slugger Tyler Soderstrom for seven years and are in ongoing talks for further extensions. Meanwhile, the Giants signed right-hander Tyler Mahle to bolster their rotation after losing Justin Verlander, while also exploring lineup improvements through free agency and trades.
