BOCA RATON, Fla., Feb. 12 (UPI) -- Peter Senior's birdie on the 18th hole Saturday capped a round of 5-under-par 67 that vaulted him into the Allianz Championship lead after two rounds.
Senior's last-hole feat left him one stroke clear of the field at 11-under 133 on the Old Course at Broken Sound in Boca Raton, Fla.
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Hot on his heels at minus-10 were Rod Spittle (67) and Tom Lehman (69).
Spittle lost a share of the lead when he bogeyed the 18th.
All-time Champions Tour wins leader Hale Irwin posted a 4-under 68, sharing fourth place with Russ Cochran (67) and Mike Reid (69), all of whom finished 36 holes at 8-under 136.
First-round leader Jay Don Blake stumbled to a 1-over 73 Saturday, falling into a tie for seventh place.