The biggest surprise team of the 2012 MLB season thus far has been the Baltimore Orioles at 19-9. They're getting timely hitting and decent starting pitching, but it's the bullpen that has been the big story. Their relief pitchers are so effective that a position player, Chris Davis, was forced to the mound today and worked 2 scoreless innings and picked up the win. Amazing!Below are 3 relievers that have yet to allow an earned run for the O's this season, each pitching 13 or more innings. That's great when a team has 1 reliever do that, but 3 is unthinkable. I'm not sure how long this ridiculous run can continue, but it sure is fun to watch.Triple Threat Trifecta:Matt Lindstrom - 12 G, 13 IP, 14 K, 2 HLD, 0.00 ERA, 0.92 WHIP. (12)Luis Ayala - 13 G, 15.2 IP, 9 K, 1 W, 1 SV, 2 HLD, 0.00 ERA, 0.89 WHIP. (14)Jim Johnson - 12 G, 13.2 IP, 12 K, 8 SV, 0.00 ERA, 0.88 WHIP. (12)Collectively - 37 G, 42.1 IP, 35 K, 1 W, 9 SV, 4 HLD, 0.00 ERA, 0.90 WHIP.