▁two ▁success ors ▁of ▁B urr us ▁as ▁the ▁Pra et or ian ▁pre fect , ▁participated ▁in ▁P iso ' s ▁consp i racy ▁in ▁year ▁ 6 5 . ▁The ▁other ▁Pra et or ian ▁pre fect , ▁Tig ell inus , ▁head ed ▁the ▁supp ression ▁of ▁the ▁consp i racy , ▁and ▁the ▁Guard ▁was ▁compens ated ▁with ▁a ▁bonus ▁of ▁ 5 0 0 ▁den ari i ▁for ▁each ▁man . ▁ ▁Year ▁of ▁the ▁Four ▁Em per ors ▁▁ ▁In ▁AD ▁ 6 9 , ▁the ▁new ▁colle ague ▁of ▁Tig ell inus , ▁N ym ph id ius ▁Sab inus , ▁managed ▁to ▁have ▁the ▁Pra et or ian ▁Guard ▁abandon ▁N ero ▁in ▁favor ▁of ▁the ▁cont ender ▁Gal ba . ▁N ym ph id ius ▁Sab inus ▁had ▁promised ▁ 7 5 0 0 ▁den arius ▁per ▁man , ▁but ▁Gal ba ▁refused ▁to ▁pay ▁that ▁amount ▁because ▁he ▁stated ▁" It ▁is ▁my ▁habit ▁to ▁rec ruit ▁soldiers ▁and ▁not ▁buy ▁them ". ▁This ▁permitted ▁his ▁rival ▁O th o ▁to ▁b ri be ▁ 2 3 ▁Spe cul ator es ▁of ▁the ▁Pra et or ian ▁Guard ▁to ▁proc laim ▁him ▁em peror . ▁Despite ▁the ▁opposition ▁of ▁the ▁coh ort s ▁in ▁service ▁in ▁the ▁palace , ▁Gal ba ▁and ▁his ▁designated ▁successor , ▁the ▁young ▁P iso , ▁were ▁l yn ched ▁on ▁January ▁ 1 5 . ▁ ▁After ▁supporting ▁O th o ▁against ▁a ▁third ▁cont ender ▁Vit