Oakland Athletics first baseman and outfielder Matt Olson will hit fifth and play first base in his return to the lineup on Thursday. Olson missed Wednesday's matchup after his back tightened up, but there was much speculation that he would return to action on Thursday after receiving two pinch-hit opportunities on Wednesday. Olson already has 19 homers so far this year, and owns a bat that is streaky enough to generate a Justin Upton comparison. [...]