The numbers in that story are actually mind-boggling. The Phillies were so far away from having any kind of velocity at all that they'd have to sign 10 of these guys before worrying about diversity of styles. And even these five aren't all guaranteed to stick/work out, so I doubt they're done.
Sam Coonrod, obtained in a trade with the Giants earlier this month, threw 163 fastballs at 96 mph or harder last season. That’s 99 more than the entire Phillies bullpen mustered....
The Dodgers’ relievers threw a staggering 679 more 96 mph-plus fastballs than the Phillies did last season.