kevin stadler
![](https://a.espncdn.com/media/motion/2015/0329/dm_150329_golf_collins_tiger/dm_150329_golf_collins_tiger.jpg?w=660&r=16%3A9)
Masters qualifying down to one event
One possibility to earn a bid to the Masters remains: winning the Shell Houston Open. Two other opportunities passed on Sunday at the Valero Texas Open, where Jimmy Walker -- who was already in the Masters field -- won his fifth PGA Tour event.