Seattle Mariners' first baseman Josh Naylor, known for his surprising speed, left a game due to shoulder discomfort.

Josh Naylor, the Seattle Mariners' first baseman, has shown surprising speed and skill, stealing 10 bases in 12 games. However, Naylor left a recent game against the White Sox due to shoulder discomfort, raising concerns about his availability. Despite the injury, Naylor has contributed significantly to the Mariners' strong position in the American League wild-card race. The team is hopeful he will return soon to continue his impressive performance.