Mass and radius determinations of stars in eclipsing binaries, accurate to  ≤ 10% and complete  ≥ 30   M_⊙ compiled from the literature by Bonanos (2009), now updated with the massive secondary of W13. The solid line is the Z = 0.02 zero-age main sequence (ZAMS) from Schaller et al. (1992); the dashed line is the Z = 0.008 ZAMS from Schaerer et al. (1993); the dotted line is the terminal age main sequence (TAMS). W13 brings the total number of stars fulfilling the requirements of mass and accuracy to 18.