LONG POND, Pa. (AP) — Mark Martin has a warning for everyone in NASCAR's Sprint Cup series: Look out for Jimmie Johnson.

Johnson won his second pole in a row and third of the season Friday at Pocono Raceway, knocking Martin off the top spot in qualifying for the Sunoco Red Cross Pennsylvania 500.

Coming off a second-place run at Chicago and a victory last week at Indianapolis, it appears Johnson has found his stride after a relatively slow start for the two-time reigning Cup champion.