There are 36 Trophies that can be collected.

Bronze

Zone Plus Analog Blast    
With hitting difficulty set to All-Star or harder, hit a home run using Zone Plus Analog controls. This trophy is not unlockable in Home Run Derby modes.    

Pulsating    
With the pitching difficulty set to All-Star or higher, use Pulse Pitching to strike out the side. Must be done against a CPU controlled team.    

Back, Back, Back, Back, Back…    
Hit a home run of 490ft or more in Home Run Derby.    

Run Benjie, Run!    
Steal a base with a player whose primary position is Catcher. Must be done against a CPU controlled team.    

In The Bag!    
As the batter, hit 1st, 2nd, or 3rd base with the ball. Trophy is not achievable in Home Run Derby.    

Cruzball    
Playing as the pitcher in any game mode, intentionally walk a batter, then turn a double play. Must be done against a CPU controlled team.    

Squeezeball     
In any game mode, win the game with an RBI bunt. Must be done in a full, uninterrupted, 9 inning game against the CPU controlled team.    

Plowman    
As a baserunner, plow the catcher. Must be done against a CPU controlled team.    

'RESPECT THE GAME!'    
In any game mode, enter a game with a mismatching uniform.    

Don't Try That Again    
On defense, throw a runner out at 3B or home plate from the outfield. Must be done against a CPU controlled team.    

Sombrero Dealer    
In any mode, strike out the same player four times in a game. Must be done against a CPU controlled team.    

Vulture a Win    
In any mode, blow a save and get the win with the same pitcher. Must be done in a full, uninterrupted, 9 inning game against the CPU controlled team.    

The Old Fashioned Way    
In any mode, earn a save by having your reliever pitch the last 3 innings of a win. Must be done in a full, uninterrupted, 9 inning game against a CPU controlled team.    

You Blew It    
In any mode, blow your opponents save opportunity. Must be done against a CPU controlled team.    

Take Out Your Rival    
In any mode, hit the opposing pitcher with a pitch.    

Loud and Clear    
Hit a home run into the speaker in center field at Dodger Stadium. (LAD)    

Go Chasin' Waterfalls     
Hit a home run into a waterfall at Kauffman Stadium. (KC)    

Texas Two-Step     
Hit a home run onto Greene's Hill in CF at Rangers Ballpark In Arlington. (TEX)    

Deep Dish    
Hit a home run into the Bullpen Sports Grill in rightfield at U.S. Cellular Field. (CWS)    

Fish off a Barrel    
Hit the aquarium behind home plate at Marlins Park. (MIA)    

On The Beach    
Hit a home run into the sand area in Petco Park. (SD)

Silver

For the Greater Good    
In any game mode, get a broken bat base hit.    

Contact Killer    
In any mode, excluding RttS, play an entire 9 inning game without striking out. Must be done in a full, uninterrupted, 9 inning game against a CPU controlled team.    

Quality Start    
Throw more than 70% first pitch strikes in a complete game victory. Must be done in a full, uninterrupted, 9 inning game against a CPU controlled team.    

Meatbull Buffet    
Bat around in an inning. Must be completed on All-Star or higher Batting difficulty. Must be done in a full, uninterrupted, 9 inning game against a CPU controlled team.    

Solid D    
Using Pure Analog Throwing, with throwing difficulty set to All-Star or higher, complete a 9 inning game without an error. Must be done against a CPU controlled team.    

Don't Phase Me Bro    
In any game mode, hit a home run off a 100+ MPH pitch. Must be done against a CPU controlled team.    

Early Exit    
In any game mode, knock out the opponent's starting pitcher before the end of the 3rd inning. Must be done against a CPU controlled team.

Gold

Million Dollar Man    
In any game mode, throw a perfect game against a CPU controlled team. Must be done in a full, uninterrupted, 9 inning game.    

Winning    
Hit 10 consecutive home runs in Home Run Derby(TM).    

King Slayer    
In Exhibition Mode, beat the team that is ranked first overall in the team select screen with Pitching and Batting difficulties set to Legend. Must be done in a full, uninterrupted, 9 inning game.

Platinum

Congratulations    
You got all of the MLB 12 The Show Trophies!

4 Secret

http://www.ps3trophies.org/game/mlb-12-the-show-vita/trophies/