There are 43 Trophies that can be earned in this title.

Bronze

I Can Throw A Disc
Win a Disc Golf match in any mode.

Ace!
Get a hole-in-one in Disc Golf.

My Aim Is True
Get a score of 5000 or better in Disc Golf Challenge Mode.

Fore!
Toss 20 discs close enough to an opponent in Disc Gold to make them get out of the way in Champions Cup.

I Hit Someone
Win a Gladiator Duel match in any mode.

King Of The Ring
Win 30 matches in Gladiator Duel by knocking your opponent out of the ring in Champions Cup.

Man Or Machine?
Get a score of 15,000 or better in Gladiator Duel Challenge Mode.

Super Parry!
Successfully parry (block using JUST your weapon) a 'Super Strike' attempt againt all 10 opponents in Gladiator Duel playing in Champions Cup.

I Can Aim
Win an Archery match in any mode.

Hat Trick!
Score 3 bull's-eyes in a row on floating Archery targets.

Sharpshooter!
Get a score og 15,000 or better in any Archery Challenge Mode.

The Splits
Split three arrows in a row in any Archery mode.

Over The Net
Win a Beach Volleyball match in any mode.

Shutout!
Win a match in Beach Volleyball without allowing your opponent to score a single point (any mode, any number of sets, and a minimum of 11 points per set).

Beach King
Get a score of 20,000 or better in Beach Volleyball Challenge Mode.

High Five, Low Five
Win a multiplayer cooperative game in Beach Volleyball.

I Have Heard Of Bocce
Win a Bocce match in any mode.

Sweep!
Sweep a frame by scoring a point on every ball your threw in one round of Bocce.

Bombs Away!
Get a score of 15,000 or better in Bocce Challenge Mode.

Follow The Bouncing Ball
Win a Table Tennis match in any mode.

Rally Tally
Get a rally of at least 25 in a Table Tennis match (AND win the point) in any mode.

Clownin' On Robots
Get a score of 15,000 or better in Table Tennis Challenge Mode.

Speedy Edge Spinster
Hit 10 blazing fast spinning shots that nick off the edge of the table playing Table Tennis in Champions Cup.

Look Ma, 2 Hands!
Play at 1 match of Gladator Duel, Archery, and Beach Volleyball in Champion's Cup or Free Play using two motion controllers.

Social Gamer
Play a multiplayer game in every event.

I Can Do Better
Replay a previously won Champions Cup match (any event) and improve your score.

Bronzed Arms
Win the Bronze Cup in every event.

A Star Is Born
Earn 10 stars in Champions Cup.

Shining Star
Earn 150 stars in Champions Cup.

Silver

All Too Easy…
Shoot a score of -10 or better over the full 18 hole course in Disc Golf.

Super Striker!
Complete 50 'Super Strikes' in Gladiator Duel playing in Champions Cup.

Bull's Eye!
Get 100 bull's-eyes in Archery playing in Champions Cup.

Defensive Specialist!
Make 50 diving digs and 100 blocks in Beach Volleyball playing in Champions Cup.

Outta My Way!
Hit 30 opponent balls out of the way to claim the inside position (aka 'Super Shots') in Champions Cup.

Great Balls Of Fire!
Win 100 rallies in Table Tennis with Smash Winners in Champions Cup.

Silver Cups
Win the Silver Cup in every event.

Shooting Star!
Earn 300 stars in Champions Cup.

Total Shutout!
Win a Match in every event without losing a hole (Disc Golf), round (Gladiator Duel, Archery), or point (Beach Volleyball, Bocce, Table Tennis) in Champions Cup.

Gold

Stay Gold
Win the Gold Cup in every event.

Owned All
Win a match with all 10 characters, in every event, playing any mode.

Super Star!
Earn 600 stars in Champions Cup.

Platinum

Living Legend
Congratulations! You are a true CHAMPION.

1 Secret

http://www.ps3trophies.org/game/sports-champions/trophies/

http://www.ps3trophies.org/forum/sports-champions/69346-disc-golf-tips.html might be a few tips there for you have heard is very hard mate good luck.