Kyle Purviance strongly suggests betting on Ryan Mountcastle's total bases, highlighting his substantial batter-pitcher success against Michael Wacha. Mountcastle is hitting .421 (8-for-19) lifetime vs Wacha with considerable power, including three home runs. Purviance stresses Mountcastle’s exceptional historical performance as the best statistical batter vs pitcher matchup of the slate, indicating very strong confidence in this particular player prop for total bases.