There are very few sidearm submarine pitchers in the MLB but to name a few there is Mike Myers, Cla Meredith, Chad Bradford, and Mike Koplove.
There are 30 teams in MLB and each team carries 11 or 12 pitchers. That would make between 330-360 pitchers on active rosters in MLB.
Alot.
Through the 2008 season: 7: Nolan Ryan 4: Sandy Koufax 3: Bob Feller, Cy Young, Larry Corcoran 2: Mark Buehrle, Randy Johnson, Hideo Nomo, Bob Forsch, Steve Busby, Bill Stoneman, Ken Holtzman, Don...
nolan Ryan has doen it many many many times so has j verlander and Joel zumaya