The Oakland Athletics put first baseman Matt Olson on the trade block but are expecting a big return if they are to move him, according to Jon Heyman of MLB Network. He won't become a free agent until after the 2023 season, so the A's shouldn't feel rushed to deal him. There'll probably be several interested teams, though, as he just put up his best season yet. He slashed .271/.371/.540 with 39 HRs, 111 RBI, and 101 runs in 156 games. Olson's already one of the top fantasy first baseman heading...