Thanks to Matt Arnold's disciplined nature, the Milwaukee Brewers have avoided "all-in" moves at the deadline in recent years. And in their pursuit of offensive upgrades at the trade deadline, the Mariners plan to make him available. Brewers shouldn't buy high on Emerson Hancock's smoke-and-mirrors season at trade deadlineThis is a classic case of a team trying to sell high from a position of strength. To that point, Hancock has had an impressive season on the surface, pitching to a 3.26 ERA over 110.1 innings. But Seattle is also in the playoff hunt, and they'll expect major-league-ready contributors in exchange for Hancock.