"He's getting better," Maddon said. "[Head athletic trainer] Ronnie [Porterfield] thought that he was getting better, looked better. Hopefully, he's going to be on track for Saturday."
Kotchman has made just nine errors in 5,168 total chances in his career, which equates to a .998 fielding percentage at first base -- the highest in Major League history among players with at least 500 games played.
"He's one of the best at what he does," Maddon said. "We win games because we pitch well and play defense. When you get a defender of his caliber out of the game, it really matters."