What is the fine-grained topic of the following text: After a string of untimely backcourt injuries during the preseason, NBA pundits are predicting that San Antonio’s 21-season playoff streak is likely at its end, with James and his “Meme Team” among the squads supplanting the Spurs in the pre-season. Only return the topic.
San Antonio's potential end to the 21-season NBA playoff streak due to preseason injuries