The day after the great Mariano Rivera records his 500th career save, I look at each bullpen in major league baseball to give you a heads up on that next surprise closer.

AL East:

Yankees – Mariano Rivera (lock). Second in line: Brian Bruney, Phil Hughes.

Red Sox – Jonathon Papelbon (lock). [...]

These guys used to be hyped as top prospects, but when they didn’t perform right away they were somewhat forgotten. Now they are posting solid skills, or at least showing some reason for hope. Their performances should not be ignored.

Andrew Miller, SP, [...]

In general, players that play well in the minor leagues will play well in the major leagues, and a large sample size from the minors is probably more value than a small sample size in the big leagues. This is why it is foolish to overreact to early career performance. Alex Rodriguez hit [...]

We are now fairly close to the half way point in the season, so it’s probably a good time to look at some undervalued starting pitchers, or just starting pitchers to acquire for the second half. Whether they have been unlucky, are good speculative picks, or may be coming up from the minor [...]