Last updated on .From the section Golf

| Leaderboard: -11 JJ Spaun (US), -10 S Straka (Aut), T Merritt (US) -9 D McCarthy (US) -8 B Harman (US), T Finau (US) C Smith (Aus), R Palmer (US) |
| Selected others: -6 M Fitzpatrick (Eng), J Thomas (US) -5 Kim Si-woo (Kor), T Hatton (Eng), -4 S Lowry (Ire), X Shauffele (US) -3 M Laird (Sco), -2 C Young (US) |
| Missed cut: -1 R McIlroy (NI), S Scheffler (US) Level R Knox (Sco) +2 M Kuchar (US), +4 J Spieth, +6 J Rose |
| Full leaderboard |
The world number one missed the cut by one stroke after bogeying the final hole.
After two rounds, the world number three from Northern Ireland is at one under.
He hadn't played since last month's Open Championship.
American Troy Merritt and Austrian Sepp Straka both shot 67s to be one shot back of Spaun.
World number one Scottish Scheffler missed the cut on one under, as did Scotland's Russell Knox, who went round in 75 to slip to six over.
The first of three tournaments to decide the Tour champion is the St Jude Championship at TPC Southwind.
A bogeys on the sixth, ninth and 18th cost him as he missed the cut at the Valero Texas Open for the ninth time in his career.
Although Spaun bogeyed the seventh and 12th, five birdies took him clear of the field as overnight leader Kim Si-woo faded to five under thanks to a 73.
Denny McCarthy shot a 65 and was two shots behind Spaun, who had a 65 and three bogeys in his round.
Smith went round in 65 to move to within three shots of the lead.
A flawless seven-under 63 by Tyler Duncan gave him a share of ninth place.
Englishman Matt Fitzpatrick moved to six under, with fellow Englishman Tyrrell Hatton on five under and Ireland's Shane Lowry on four under.
