Auto racing

Mesa Limited Partnership -- Group led by oilman-financier T. Boone Pickens agreed to help sponsor Indianapolis 500 car driven by Arie Luyendyk, winner of last year's race. RCA Inc. and UNO card game also sponsor the Granatelli No. 1 car.

Baseball

Cincinnati Reds -- Placed SS Barry Larkin (.265, 5 HRs, 13 RBI) 15-day DL. Called up 1B Reggie Jefferson from Class AAA Nashville.

Oakland Athletics -- Sent P John Briscoe (0-0, 5.54 ERA) to Class AA Huntsville. Activated P Andy Hawkins.

Seattle Mariners -- Placed P Erik Hanson (tender elbow; 3-1, 3.45 ERA) on 15-day DL retroactive to May 12. Bought P Pat Rice (5-1, 3.66 ERA with Class AAA Calgary).