Top MLB Closers

*Rankings based on 2010 performance, past performance, and potential performance.

1. Heath Bell - San Diego Padres

2. José Valverde - Detroit Tigers

3. Rafael Soriano - Tampa Bay Rays

4. Matt Capps - Washington Nationals

5. Jonathan Papelbon - Boston Red Sox

6. Jonathan Broxton - Los Angeles Dodgers

7. Brian Wilson - San Francisco Giants

8. Mariano Rivera - New York Yankees

9. Kevin Gregg - Toronot Blue Jays

10. Leo Núñez - Florida Marlins

Top Backup Closers

*Rankings based on their potential to get the closer's job and their 2010 performance.

1. Fernando Rodney - Los Angeles Angels

2. Joba Chamberlain - New York Yankees

3. Carlos Villanueva - Milwaukee Brewers

4. Evan Meek - Pittsburgh Pirates

5. Matt Thornton - Chicago White Sox

6. Tyler Clippard - Washington Nationals

7. Takashi Saito - Atlanta Braves

8. Mike Adams - San Diego Padres

9. Drew Storen - Washington Nationals

10. J.J. Putz - Chicago White Sox

Closer Injury Updates

Right shoulder inflammation
Update (5/4/10) - Street is scheduled to throw a bullpen session on Tuesday. If all goes well, he could pitch in an extended spring training game on Friday. This according to the Denver Post's Troy Renck. Street is looking at a late May return.

Ryan Madson 15-day DL

Broken Toe
Madson will have surgery on his right toe and have a pin inserted into it He is out indefinitely.

Mike Gonzales 15-day DL

Strained left shoulder
According to MLB.com, Gonzalez has started a throwing program on May 2, and remains 3-4 weeks away form returning.