First, let's look at the remaining regular-season games. Assuming there are no upsets and everything is "chalk", here is how I see the games playing out:

Thursday, February 20th

BYU beats Santa Clara
Pepperdine beats Portland
Gonzaga beats San Francisco
Saint Mary's beats Loyola Marymount

Saturday, February 22nd

San Francisco beats Pepperdine
Saint Mary's beats San Diego
Gonzaga beats BYU
Pacific beats Santa Clara
Loyola Marymount beats Portland

Thursday, February 27th

Gonzaga beats San Diego
Pacific beats Loyola Marymount
San Francisco beats Portland
Saint Mary's beats Santa Clara

Saturday, February 29th

Santa Clara beats Portland
BYU beats Pepperdine
San Francisco beats Loyola Marymount
Gonzaga beats St. Mary's
Pacific beats San Diego

Assuming these were the results, here would be the final standings:

1 Seed: Gonzaga (16-0)
2 Seed: BYU (12-4)
3 Seed: St. Mary's (11-5)
4 Seed: Pacific (11-5)
5 Seed: San Francisco (9-7)
6 Seed: Pepperdine (8-8)
7 Seed: Santa Clara (6-10)
8 Seed: LMU (4-12)
9 Seed: San Diego (2-14)
10 Seed: Portland (1-15)

Given those standings, here is what the WCC tournament would look like:

Thursday, March 5th

#8 LMU beats #9 San Diego
#7 Santa Clara beats #10 Portland

Friday, March 6th

#5 San Francisco beats #8 LMU
#6 Pepperdine beats #7 Santa Clara

Saturday, March 7th

#4 Pacific beats #5 San Francisco
#3 St. Mary's beats #6 Pepperdine

Monday, March 9th

#1 Gonzaga beats #4 Pacific
#2 BYU beats #3 St. Mary's

Tuesday, March 10th

#1 Gonzaga beats #2 BYU