Chris Davis is currently on pace for 60 HR. The AL Record in 61 (Roger Maris).
Manny Machado is on pace for 72 doubles. The single-season record is 67 (Earl Webb).
Raul Ibanez is on pace for 40 HR. The single-season record for a player 40 or over is 34 (Darrell Evans).
Albert Pujols‘ current HR pace will put him hitting his 500th HR on September 20th of this season.
Of course, past performance is no guarantee of future results.