Marcus Semien’s foot Lisfranc sprain is slowing the Rangers’ finish in a tight playoff chase. He can walk without a boot, has begun bat-simulation work, and hopes to swing on the next road trip. Six weeks is the ideal window, but he’s pushing to see if a return in late September is feasible. If all medical checkpoints clear, he could test running in Arlington during the Marlins series as Texas fights to stay in the wild-card mix.