TOKYO — Shota Imanaga shook his head in frustration. The Chicago Cubs left-hander, known for his elite command, watched the Los Angeles Dodgers' Max Muncy head to first base after two consecutive walks to open the second inning. Free passes were a rarity for Imanaga in his rookie season, as he owned the National League's best strikeout-to-walk rate. Imanaga worked around the back-to-back walks ...