A curveball is faster. Average speed for curveball ~85 mph. Average speed knuckleball ~65 mph.
If you are playing wiffleball in your backyard, then a 99 mph fastball is harder to hit. But if you're playing Pro wiffleball in GSWL, then a 99 mph Riser (wiffleball pitch) is harder.
One is thrown slow and the other is thrown fast.
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Wiffleball, jogging, working out, and tennis
The Wiffleball
Wiffleball and GolfBaseball, tennis, Kickball
Wiffleball, jogging, working out, and tennis
Called Up - 2012 Frat Wiffleball 1-4 was released on: USA: 6 September 2012 (internet)
depends on how fast its thrown. every pitcher has a different speed
Softball, wiffleball, kickball and stickball.
Wiffleball and GolfBaseball, tennis, Kickball
not really,because its a varation of baseball,thatz played indoors and out.