Given the projected high-scoring nature of the game between the San Antonio Spurs and Detroit Pistons, we expect more possessions to lead to an increased rebound opportunity for Stephon Castle. The favorable matchup against the Spurs' weaker rebounding defense, combined with Castle's potential for extra minutes in a competitive game, supports the expectation that he will surpass the 8.5 rebounds mark. The Net EV of 0.58 indicates the market has undervalued this bet, making it a wise wagering opportunity.