Lefthanded batters are comfortable facing him, because they get a good look at the ball. Bullpen RH closer Mariano Rivera has plus fastball that seems to start out at hitter's belt and ends up at his eyes. Last month started showing a slider with a little bigger break. You never know which Hideki Irabu will show up. Sometimes righthander looks like he doesn't want to be out there.
Body language is pathetic.
Fastball has tendency to be straight. Lives off his splitter. RH Jeff Nelson 's nasty sinker is tough on righthanded hitters. Lefties hit him, though, because they get good look at his sweeping slider. LH Mike Stanton has straight fastball and is up in the zone a lot.