Closer is a volatile role in Major League Baseball, and thus, fantasy baseball. If a closer succumbs to injury, the player next in line is usually fantasy-worthy immediately, if he wasn't already. Don't rule out other possibilities, though. KFFL.com's closer depth charts are designed to let you know who these hot pickups might be. In the meantime, stay up to date on uncertain closer situations throughout the majors with KFFL.com's Fantasy Baseball Closer Hot Seat and MLB Hot off the Wire.