Table:
text: Billy Casper
Senior PGA Tour wins (9)
Senior PGA Tour wins (9)
Date_ Tournament Winning_score Margin_of_victory Runners_up
Jun 12, 1988 Mazda Senior Tournament Players Championship –10 (69-68-74-67=278) 2 strokes Al Geiberger
Oct 22, 1989 Transamerica Senior Golf Championship –9 (69-70-68=207) 3 strokes Al Geiberger

text: Billy Casper
Senior PGA Tour wins (9)
Senior PGA Tour wins (9)
Date_ Tournament Winning_score Margin_of_victory Runners_up
Aug 28, 1982 Shootout at Jeremy Ranch –9 (74-71-69-65=279) 1 stroke Miller Barber , Don January
Sep 19, 1982 Merrill Lynch/Golf Digest Commemorative Pro-Am –10 (68-7-68=206) Playoff Bob Toski
Jul 25, 1983 U.S. Senior Open +4 (73-73-69-73=288) Playoff Rod Funseth
Apr 22, 1984 Senior PGA Tour Roundup –14 (68-69-65=202) 2 strokes Bob Stone
Mar 15, 1987 Del E. Webb Arizona Classic –15 (68-65-68=201) 5 strokes Bob Charles , Dale Douglass
Jun 28, 1987 Greater Grand Rapids Open –13 (69-68-63=200) 3 strokes Miller Barber
May 8, 1988 Vantage at The Dominion –14 (70-68-67=205) 1 stroke Chi-Chi Rodríguez

Question: Which Senior PGA Tour Victory 9 was the Mazda Senior Tournament Players Championship runner-up when Billy Casper won by 2 shots in 2008?