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Tim Keefe

Koh I Noor looks to extend streak in Harrison E. Johnson at Laurel Park

Late bloomer Koh I Noor continues his quest for the $500,000 Pimlico Special in his stakes debut Saturday in the nine-furlong Harrison E. Johnson Memorial at Laurel Park.

Two-time defending champion Eighttofasttocatch, General George winner Javerre, John B. Campbell champion Concealed Identity and 2011 Preakness runner Norman Asbjornson are among the five challengers.

Koh I Noor has won four straight at Laurel since October after a troubled trip in his debut in mid-September. His most recent win was an 81/2-length romp for trainer Dove Houghton on Feb. 28. Sheldon Russell will ride the Harlan's Holiday colt.

"We have to test the waters against stakes horses, and...