Pitcher trade - take or walk away?

[Sandcrab]

I'll keep it just to pitching stats cause that is the trade. My league and team info is below. I am not that knowledgeable about pitchers so I wanted some advice on this trade. Seems that he is giving me three mediocre pitchers for two of my mediocre pitchers.

His:
Paul Maholm
Kyle Lohse
Jair Jurrjens

For my:
Max Scherzer
Kevin Slowey

12 team head to head keeper league.
Roster Positions:
SP, SP, SP, SP, RP, RP, P, BN, BN, BN, BN, BN, DL

Stat Categories:
W, CG, SHO, SV, K, ERA, WHIP, K/BB, K/9

My Team:
Brandon Morrow
Ted Lilly
Fausto Carmona
Joe Blanton
Kerry Wood
Francisco Rodríguez
Brian Wilson
Joel Piñeiro
Braden Looper
Max Scherzer
Kevin Slowey
Chien-Ming Wang